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Journal articles on the topic 'Asymmetry of development'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Balyuk, I. A., and M. A. Balyuk. "The Problem of Asymmetric Development of the Global Financial Market." Finance: Theory and Practice 26, no. 6 (2022): 72–87. http://dx.doi.org/10.26794/2587-5671-2022-26-6-72-87.

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The transformation of the modern global monetary and financial system involves the elimination of institutional and functional contradictions existing at various levels. Some contradictions arose as a result of the asymmetric development of the global financial market (GFM). The aim of the article is to substantiate the asymmetry of the GFM development as an organic phenomenon, which, on the one hand, becomes a serious obstacle to the functioning and progressive development of the world economy, and, on the other hand, is the driving force behind this development. The authors apply general log

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Jung, Ji-Yong, Yonggwon Won, In-Sik Park, Tae-Kyu Kwon, and Jung-Ja Kim. "Development of a System for Measurement on Asymmetric Sitting Posture." International Journal of Mathematics and Computers in Simulation 15 (November 27, 2021): 97–101. http://dx.doi.org/10.46300/9102.2021.15.18.

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Sitting posture measurement system using the unstable board with accelerometer was developed. And, postural balance was assessed to determine the effect of asymmetry on sitting posture between patients with pelvic asymmetry and healthy subjects. 10 subjects (pelvic asymmetry patients:5, healthy controls:5) were participated in this study. We performed experiment under static and dynamic sitting condition. Angular variation in the anterior-posterior and left-right direction was measured in both two conditions. Also, intra class correlation coefficient was used to evaluate the reliability of the

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Dhinwal, Satyaveer, Laszlo Toth, Peter Hodgson, and Arunansu Haldar. "Effects of Processing Conditions on Texture and Microstructure Evolution in Extra-Low Carbon Steel during Multi-Pass Asymmetric Rolling." Materials 11, no. 8 (2018): 1327. http://dx.doi.org/10.3390/ma11081327.

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Multi-pass rolling was carried out on extra-low carbon steel at room temperature by imposing different ratios of asymmetry in the roll-diameters as well as by conventional mode. The aim of this study is to understand the effect of shear deformation due to the asymmetric conditions on the development of the rolling texture and the possibilities of propagating the shear deformation into the mid-thickness area of the sheet. The trends of the measured texture developments in both symmetric and asymmetric rolling indicate their dependence primarily on the stability and fraction of the Goss {110}&lt

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Noorizadeh, Negar, Kamran Kazemi, Reinhard Grebe, Mohammad Sadegh Helfroush, Mahdi Mahmoudzadeh, and Fabrice Wallois. "A Tool to Investigate Symmetry Properties of Newborns Brain: The Newborns’ Symmetric Brain Atlas." ISRN Neuroscience 2013 (September 18, 2013): 1–6. http://dx.doi.org/10.1155/2013/317215.

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It is well established that the two hemispheres of the human brain exhibit a certain degree of asymmetry. Postmortem studies of developing brains of pre- and postpartum infants have shown that already in this early stage of development Heschl gyrus, planum temporale and superior temporal sulcus (STS) exhibit pronounced asymmetry. Advances in acquisition and computational evaluation of high-resolution magnetic resonance images provide enhanced tools for noninvasive studies of brain asymmetry in newborns. Until now most atlases used for image processing contain themselves asymmetry and may thus

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Brown, N. A., C. I. Hoyle, A. McCarthy, and L. Wolpert. "The development of asymmetry: the sidedness of drug-induced limb abnormalities is reversed in situs inversus mice." Development 107, no. 3 (1989): 637–42. http://dx.doi.org/10.1242/dev.107.3.637.

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We are studying the development of handedness, in particular the relationships between handed structures with bilateral symmetry, for example the limbs, and those with lateral asymmetry, such as the heart, lungs and gut. Asymmetric (unilateral) developmental limb abnormalities can be induced by chemical treatment of mouse embryos, either in utero by acetazolamide, or in culture by misonidazole. We have examined these effects in mice homozygous for the iv gene. The development of bilateral symmetry in iv/iv mice is normal, but the control of asymmetry appears to be random, that is 50% develop n

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Kyrkanides, Stephanos, and Liubov Richter. "Mandibular Asymmetry and Antigonial Notching in Individuals with Unilateral Cleft Lip and Palate." Cleft Palate-Craniofacial Journal 39, no. 1 (2002): 30–35. http://dx.doi.org/10.1597/1545-1569_2002_039_0030_maaani_2.0.co_2.

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Objective To determine whether asymmetric antigonial notching is associated with the development of mandibular and lower facial asymmetry in individuals with unilateral cleft lip and palate (UCLP). Design Retrospective mixed-longitudinal investigation including UCLP and nonaffected orthodontic patients. Participants All (24) available patients with UCLP treated in our clinic with complete longitudinal records, and 72 skeletal maturation matched noncleft orthodontic patients that served as controls. Subject records included hand-wrist, panoramic, frontal, and 45° oblique cephalometric radiograp

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Sawada, Kazuhiko, Shiori Kamiya, and Ichio Aoki. "Asymmetry of Cerebellar Lobular Development in Ferrets." Symmetry 12, no. 5 (2020): 735. http://dx.doi.org/10.3390/sym12050735.

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The ferret cerebellum is anteriorly right-lateralized and posteriorly left-lateralized. This study characterized the left/right difference in ferret cerebellar lobular morphology using 3D-rendered magnetic resonance images of fixed brains from seven male and seven female ferrets on postnatal day 90. Asymmetrical lobular morphology showed asymmetrical sublobular development in the anterior vermis, lobulus simplex, and ansiform lobules and additional grooves asymmetrically appearing in the paramedian lobule, lobule VI, and ansiform lobules. Although we observed these asymmetric hallmarks in four

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López-Aguirre, Camilo, Suzanne J. Hand, Daisuke Koyabu, Vuong Tan Tu, and Laura A. B. Wilson. "Prenatal Developmental Trajectories of Fluctuating Asymmetry in Bat Humeri." Frontiers in Cell and Developmental Biology 9 (June 12, 2021): 639522. https://doi.org/10.5281/zenodo.13451544.

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(Uploaded by Plazi for the Bat Literature Project) Fluctuating asymmetry (random fluctuations between the left and right sides of the body) has been interpreted as an index to quantify both the developmental instabilities and homeostatic capabilities of organisms, linking the phenotypic and genotypic aspects of morphogenesis. However, studying the ontogenesis of fluctuating asymmetry has been limited to mostly model organisms in postnatal stages, missing prenatal trajectories of asymmetry that could better elucidate decoupled developmental pathways controlling symmetric bone elongation and thi

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López-Aguirre, Camilo, Suzanne J. Hand, Daisuke Koyabu, Vuong Tan Tu, and Laura A. B. Wilson. "Prenatal Developmental Trajectories of Fluctuating Asymmetry in Bat Humeri." Frontiers in Cell and Developmental Biology 9 (June 7, 2021): 639522. https://doi.org/10.5281/zenodo.13451544.

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(Uploaded by Plazi for the Bat Literature Project) Fluctuating asymmetry (random fluctuations between the left and right sides of the body) has been interpreted as an index to quantify both the developmental instabilities and homeostatic capabilities of organisms, linking the phenotypic and genotypic aspects of morphogenesis. However, studying the ontogenesis of fluctuating asymmetry has been limited to mostly model organisms in postnatal stages, missing prenatal trajectories of asymmetry that could better elucidate decoupled developmental pathways controlling symmetric bone elongation and thi

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López-Aguirre, Camilo, Suzanne J. Hand, Daisuke Koyabu, Vuong Tan Tu, and Laura A. B. Wilson. "Prenatal Developmental Trajectories of Fluctuating Asymmetry in Bat Humeri." Frontiers in Cell and Developmental Biology 9 (July 3, 2021): 639522. https://doi.org/10.5281/zenodo.13451544.

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(Uploaded by Plazi for the Bat Literature Project) Fluctuating asymmetry (random fluctuations between the left and right sides of the body) has been interpreted as an index to quantify both the developmental instabilities and homeostatic capabilities of organisms, linking the phenotypic and genotypic aspects of morphogenesis. However, studying the ontogenesis of fluctuating asymmetry has been limited to mostly model organisms in postnatal stages, missing prenatal trajectories of asymmetry that could better elucidate decoupled developmental pathways controlling symmetric bone elongation and thi

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López-Aguirre, Camilo, Suzanne J. Hand, Daisuke Koyabu, Vuong Tan Tu, and Laura A. B. Wilson. "Prenatal Developmental Trajectories of Fluctuating Asymmetry in Bat Humeri." Frontiers in Cell and Developmental Biology 9 (July 10, 2021): 639522. https://doi.org/10.5281/zenodo.13451544.

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(Uploaded by Plazi for the Bat Literature Project) Fluctuating asymmetry (random fluctuations between the left and right sides of the body) has been interpreted as an index to quantify both the developmental instabilities and homeostatic capabilities of organisms, linking the phenotypic and genotypic aspects of morphogenesis. However, studying the ontogenesis of fluctuating asymmetry has been limited to mostly model organisms in postnatal stages, missing prenatal trajectories of asymmetry that could better elucidate decoupled developmental pathways controlling symmetric bone elongation and thi

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López-Aguirre, Camilo, Suzanne J. Hand, Daisuke Koyabu, Vuong Tan Tu, and Laura A. B. Wilson. "Prenatal Developmental Trajectories of Fluctuating Asymmetry in Bat Humeri." Frontiers in Cell and Developmental Biology 9 (July 17, 2021): 639522. https://doi.org/10.5281/zenodo.13451544.

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(Uploaded by Plazi for the Bat Literature Project) Fluctuating asymmetry (random fluctuations between the left and right sides of the body) has been interpreted as an index to quantify both the developmental instabilities and homeostatic capabilities of organisms, linking the phenotypic and genotypic aspects of morphogenesis. However, studying the ontogenesis of fluctuating asymmetry has been limited to mostly model organisms in postnatal stages, missing prenatal trajectories of asymmetry that could better elucidate decoupled developmental pathways controlling symmetric bone elongation and thi

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Polyakov, Maxim, Vladimir Bilozubenko, Natalia Nebaba, Maxim Korneyev, and Yelyzaveta Saihak. "Analysis of asymmetry factors in the development of the EU tourism industry." Innovative Marketing 16, no. 4 (2020): 117–28. http://dx.doi.org/10.21511/im.16(4).2020.10.

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The effects of the economic recession and the COVID-19 crisis call for more active support for the tourism industry. To pursue a supranational tourism policy and create a favorable marketing environment at the national level, it is necessary to consider the objective differences between member states and their characteristics in the field of tourism. This study aims to highlight the main factors that characterize the asymmetry of the tourism industry in the EU countries, which allows ensuring the competitiveness of national tourism companies through the formation of an appropriate marketing st

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Adkins, Elisabeth N., Shaina Anderson, Trevor McKoy, Nakachi Maduka, and Tarun Goswami. "Etiology of breast development and asymmetry." Advances in General Practice of Medicine 4, no. 1 (2022): 54–66. http://dx.doi.org/10.25082/agpm.2022.01.004.

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Etiology of breast development and asymmetry is a fascinating research topic physiologically as well as pathophysiology from a certain condition. The shape, contour, and size of the breast are unique to each female. These factors are influenced by genetics, weight, exercise, menstruation cycles, pregnancy, menopause status, and age. An attempt was made to research the breast development at fetal development and transitioning into adulthood and menopause. Additionally, we compare breast development in males to the developments in females. Something that almost everyone experiences is breast asy

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Nussbaum, Maury A., Don B. Chaffin, and George B. Page. "A Biomechanical Investigation of the Asymmetric Multiplier in the Revised NIOSH Lifting Equation." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 39, no. 10 (1995): 709–13. http://dx.doi.org/10.1177/154193129503901036.

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There is growing evidence, from epidemiological and biomechanical sources, that lifting performed in asymmetric postures is a risk factor for the development of a musculoskeletal injury. In the recent update of the NIOSH Lifting Guide, a linear Asymmetric Multiplier was added to account for this type of risk. The present study addresses the form of this Multiplier through analysis of several asymmetric lifting tasks. Both spinal loading and a derived metric of muscle injury risk were calculated as a function of asymmetry angle. The results suggest that there is a non-linear increase in injury

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Krasilnikov, Oleg Yu. "Asymmetry of Structural Development Economy of Russian Regions." Izvestiya of Saratov University. New Series. Series Economics. Management. Law 20, no. 4 (2020): 384–90. http://dx.doi.org/10.18500/1994-2540-2020-20-4-384-390.

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Introduction. The article examines the asymmetry of the development of the economic structure of Russian regions. It is caused by unevenness, multidirection, differences in qualitative and quantitative characteristics, and a temporary dichotomy of structural shifts in terms of the spatial structure of the country’s economy. Theoretical analysis. The author considers the concepts of symmetry and asymmetry of the economic structure of the region, as well as structural shifts in the regional economy. Various approaches of the asymmetry of the territorial economic structure measuring are studied,

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Ten Broek, Clara, Liliane Wijnaendts, Frietson Galis, and Stefan Van Dongen. "Human fetuses and limb asymmetry: No evidence for directional asymmetry and support for fluctuating asymmetry as a measure of developmental instability." Animal Biology 60, no. 2 (2010): 169–82. http://dx.doi.org/10.1163/157075610x491716.

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AbstractThe often observed directional asymmetry in human limb bones could have a genetic basis. Alternatively, differences in limbs across sides could emerge from different mechanical loadings on the left and right side as a result of behavioral lateralization. Because handedness in itself has a genetic basis, it has been suggested that directional asymmetry in limbs could develop prenatally as a pre-adaptation to adult life. The developmental origins of limb asymmetry and the presence of directional asymmetry have important implications for the use of directionally random asymmetry (i.e., fl

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Blyer, Scott M., Steven Sherry, and Stephen W. Watson. "Use of the Breast Bolster to Address Intraoperative Asymmetries in Breast Augmentation Surgery." American Journal of Cosmetic Surgery 26, no. 3 (2009): 193–96. http://dx.doi.org/10.1177/074880680902600310.

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Introduction: Breast asymmetry is a common complication following breast augmentation surgery. It is a frequent cause for reoperation and many times can be prevented with good preoperative examination and planning. Iatrogenic asymmetric breast pocket development is among the unforeseeable causes of breast asymmetry. We submit a simple technique to prevent breast asymmetry intraoperatively if asymmetric pocket development has been identified. Materials and Methods: A 46-year-old female patient with no preoperative asymmetries was planned for submuscular breast augmentation. Upon creation of the

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Wang, Yuwei. "The Impact of Information Asymmetry on Investment Behavior in the Stock Market." Highlights in Business, Economics and Management 19 (November 2, 2023): 165–70. http://dx.doi.org/10.54097/hbem.v19i.11867.

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The stock market is the main component of the capital market and plays an important role in promoting the development of the national economy. Information asymmetry, as a typical issue in China’s stock market, triggers stock price fluctuations, increases stock market risks and largely influences investors’ investment behavior in stock market. Therefore, improving the information asymmetry problem is of great significance for the stable development of the stock market. This paper depends on the nature of information asymmetry, explores its specific manifestation in the stock market, and then an

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Grafe, A. "Are our ideas about <i>Dst</i> correct?" Annales Geophysicae 17, no. 1 (1999): 1–10. http://dx.doi.org/10.1007/s00585-999-0001-0.

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Abstract. The idea of two separate storm time ring currents, a symmetric and an asymmetric one has accepted since the 1960s. The existence of a symmetric equatorial ring current was concluded from Dst. However, the asymmetric development of the low-latitude geomagnetic disturbance field during storms lead to the assumption of the real existence of an asymmetric ring current. I think it is time to inquire whether this conception is correct. Thus, I have investigated the development of the low-latitude geomagnetic field during all the magnetic local times under disturbed and quiet conditions. Th

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Signore, Iskra A., Néstor Guerrero, Felix Loosli, et al. "Zebrafish and medaka: model organisms for a comparative developmental approach of brain asymmetry." Philosophical Transactions of the Royal Society B: Biological Sciences 364, no. 1519 (2008): 991–1003. http://dx.doi.org/10.1098/rstb.2008.0260.

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Comparison between related species is a successful approach to uncover conserved and divergent principles of development. Here, we studied the pattern of epithalamic asymmetry in zebrafish ( Danio rerio ) and medaka ( Oryzias latipes ), two related teleost species with 115–200 Myr of independent evolution. We found that these species share a strikingly conserved overall pattern of asymmetry in the parapineal–habenular–interpeduncular system. Nodal signalling exhibits comparable spatial and temporal asymmetric expressions in the presumptive epithalamus preceding the development of morphological

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Ghosh, Diptendu N. "Asyrnmetry in Two Rhynchonellid Species from the Jurassic Formations of Kutch, Western India." Journal Geological Society of India 31, no. 5 (1988): 476–83. http://dx.doi.org/10.17491/jgsi/1988/310504.

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Abstract Sphenorhynchia asymmetrica (Kitchin) from the upper and upper middle Macrocephalus Beds of Middle Callovian age and Rhactochynchia pseudoinconstans (Kitchin) from the Lower Patcham Beds of Upper Bathonian age of Kutch, Western India, show typical asymmetry in their shell development. This is particularly noticeable at the anterior commissure. This is compared with similar asymmetric features exhibited by other brachiopod species from different parts of the world. On the basis of the nature of asymmetry in the two Kutch species, the strength of numerical observation in them and on a co

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Inaki, Mikiko, Jingyang Liu, and Kenji Matsuno. "Cell chirality: its origin and roles in left–right asymmetric development." Philosophical Transactions of the Royal Society B: Biological Sciences 371, no. 1710 (2016): 20150403. http://dx.doi.org/10.1098/rstb.2015.0403.

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An item is chiral if it cannot be superimposed on its mirror image. Most biological molecules are chiral. The homochirality of amino acids ensures that proteins are chiral, which is essential for their functions. Chirality also occurs at the whole-cell level, which was first studied mostly in ciliates, single-celled protozoans. Ciliates show chirality in their cortical structures, which is not determined by genetics, but by ‘cortical inheritance’. These studies suggested that molecular chirality directs whole-cell chirality. Intriguingly, chirality in cellular structures and functions is also

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Ekrami, Omid, Peter Claes, Julie D. White, et al. "A Multivariate Approach to Determine the Dimensionality of Human Facial Asymmetry." Symmetry 12, no. 3 (2020): 348. http://dx.doi.org/10.3390/sym12030348.

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Many studies have suggested that developmental instability (DI) could lead to asymmetric development, otherwise known as fluctuating asymmetry (FA). Several attempts to unravel the biological meaning of FA have been made, yet the main step in estimating FA is to remove the effects of directional asymmetry (DA), which is defined as the average bilateral asymmetry at the population level. Here, we demonstrate in a multivariate context that the conventional method of DA correction does not adequately compensate for the effects of DA in other dimensions of asymmetry. This appears to be due to the

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Mohd, Emad. "Accounting for Software Development Costs and Information Asymmetry." Accounting Review 80, no. 4 (2005): 1211–31. http://dx.doi.org/10.2308/accr.2005.80.4.1211.

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I investigate the impact of implementing SFAS No. 86, which provides an exception to the GAAP requirement of the immediate expensing of research and development (R&D), on information asymmetry. Using bid-ask spread and share turnover as proxies for information asymmetry, I find that after the introduction of SFAS No. 86, information asymmetry decreases for software firms relative to that of other high-tech firms. Within the software industry, I find that information asymmetry is significantly lower for firms that capitalize (capitalizers) than for those who expense (expensers) software dev

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Wan, Leo Q., Amanda S. Chin, Kathryn E. Worley, and Poulomi Ray. "Cell chirality: emergence of asymmetry from cell culture." Philosophical Transactions of the Royal Society B: Biological Sciences 371, no. 1710 (2016): 20150413. http://dx.doi.org/10.1098/rstb.2015.0413.

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Increasing evidence suggests that intrinsic cell chirality significantly contributes to the left–right (LR) asymmetry in embryonic development, which is a well-conserved characteristic of living organisms. With animal embryos, several theories have been established, but there are still controversies regarding mechanisms associated with embryonic LR symmetry breaking and the formation of asymmetric internal organs. Recently, in vitro systems have been developed to determine cell chirality and to recapitulate multicellular chiral morphogenesis on a chip. These studies demonstrate that chirality

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Goolak, Sergey, Borys Liubarskyi, Vaidas Lukoševičius, Robertas Keršys, and Artūras Keršys. "Operational Diagnostics System for Asymmetric Emergency Modes in Traction Drives with Direct Torque Control." Applied Sciences 13, no. 9 (2023): 5457. http://dx.doi.org/10.3390/app13095457.

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This article presents an analysis of the causes behind the development of asymmetric modes in a traction drive system that features direct torque control (DTC) of a rolling stock with asynchronous traction motors. The development of asymmetric modes in the traction drive system was found to be caused by the asymmetry of the supply voltage system, the asymmetry of the traction motor windings, and transient processes triggered by a change in the inverter supply voltage and variation in the traction motor load. At the same time, the asymmetric modes caused by the asymmetry of the feed voltage sys

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Koff, Elissa, Joan Borod, and Esther Strauss. "Development of Hemiface Size Asymmetry." Cortex 21, no. 1 (1985): 153–56. http://dx.doi.org/10.1016/s0010-9452(85)80023-x.

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Hikam, Rafli Syahrul, and Tantina Haryati. "Ukuran Perusahaan dan Kinerja Lingkungan Perusahaan Terhadap Munculnya Asimetri Informasi Menggunakan Pengungkapan ESG sebagai Variabel Moderasi." Journal of Management and Bussines (JOMB) 5, no. 1 (2023): 546–59. http://dx.doi.org/10.31539/jomb.v5i1.5796.

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This study aims to determine the analysis of environmental (social), and governance (ESG) disclosure as a variable moderating the relationship between company size and environmental performance on the emergence of information asymmetry. This research method uses quantitative methods, and the data used is secondary data. The research was conducted on basic materials sector companies listed on the Indonesia Stock Exchange (IDX) in 2017-2021. The sample used is 150 annual reports from 30 companies with a period of 5 years. The data source used comes from the annual report. The research data was p

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Javid, Attiya Y., and Eatzaz Ahmad. "Asset Pricing Behaviour with Dual-Beta in Case of Pakistani Stock Market." Pakistan Development Review 50, no. 2 (2011): 95–118. http://dx.doi.org/10.30541/v50i2pp.95-118.

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This study investigates the dynamics of beta by the asymmetric response of beta to bullish and bearish market environment on 50 stocks traded in Karachi Stock Exchange during 1993-2007. The results show that the betas increase (decrease) when the market is bullish (bearish). The results however suggest that investors receive a positive premium for accepting down-side risk, while a negative premium is associated with up-market beta. The results suggest that the conditional Fama and French three factor model has performed better than the conditional CAPM when news asymmetry was taken into accoun

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Grudtsyna, L. Yu. "The legal basis for ensuring national economic security on the example of assessing the socio-economic asymmetry of the subjects of the Russian Federation." Courier of Kutafin Moscow State Law University (MSAL)) 1, no. 12 (2024): 173–83. http://dx.doi.org/10.17803/2311-5998.2023.112.12.173-183.

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In this article, an analysis of relevant, according to modern researchers, methods of assessing the socio-economic asymmetry of regions in the aspect of ensuring national economic security is carried out and their significance for the present development of the economy is revealed. As part of such an analysis, the interaction between the socio-economic development of the regions and national economic security is investigated, as well as the types of possible development of regions from which asymmetric is distinguished. Among the methodological foundations for assessing the socio- economic asy

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Yang, Naiding, Yue Song, Yanlu Zhang, and Jingbei Wang. "Dark side of joint R&D collaborations: dependence asymmetry and opportunism." Journal of Business & Industrial Marketing 35, no. 4 (2020): 741–55. http://dx.doi.org/10.1108/jbim-11-2018-0354.

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Purpose The purpose of this study is to enhance the comprehensive understanding of the roles of resource investments, explicit contracts and three components of guanxi (i.e. renqing, ganqing and mianzi) in asymmetric research and development (R&D) partnerships. Treating dependence asymmetry as a multidimensional construct, this study examines the moderating effects of these elements on the relationships between resources and information asymmetry and opportunism. Design/methodology/approach The study was executed by issuing questionnaires to R&D managers participating in R&D projec

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Schilthuizen, Menno. "Something gone awry: unsolved mysteries in the evolution of asymmetric animal genitalia." Animal Biology 63, no. 1 (2013): 1–20. http://dx.doi.org/10.1163/15707563-00002398.

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The great diversity in genital shape and function across and within the animal phyla hamper the identification of specific evolutionary trends that stretch beyond the limits of the group under study. Asymmetry might be a trait in genital morphology that could play a unifying role in the evolutionary biology of genitalia. Here, I review the current knowledge on the taxonomic distribution, phylogenetic patterns, genetics, development, and ecology of asymmetric (chiral) genitalia. Asymmetric genitalia (male as well as female) have evolved from bilaterally symmetric ones (and sometimes vice versa)

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Bahmani-Oskooee, Mohsen, and Augustine Chuck Arize. "Asymmetry cointegration and the J-curve: new evidence from Africa." Journal of Economic Studies 47, no. 5 (2020): 969–84. http://dx.doi.org/10.1108/jes-09-2018-0333.

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PurposeThe purpose is to assess the asymmetric effects of exchange rate changes on the trade balance using data from African nations.Design/methodology/approachThe methodology is based on the most recent development in asymmetry cointegration and error-correction modeling.FindingsWhile the authors find short-run asymmetric effects in many of the countries in their sample, asymmetry cointegration yields support for the new definition of the J-curve in Algeria, Cameroon, Ethiopia, Morocco, Tanzania and Zambia.Originality/valueThis is the first study that applies nonlinear ARDL approach of Shin e

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Belyaeva, T. A., and I. A. Kozieva. "Assessment of territorial asymmetry in the management of spatial development of the national economy." Proceedings of the Southwest State University. Series: Economics. Sociology. Management 14, no. 6 (2025): 82–92. https://doi.org/10.21869/2223-1552-2024-14-6-82-92.

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Relevance. Spatial development of the national economy in Russian conditions is of particular importance for ensuring sustainable economic growth, improving the quality of life of the population and the efficient use of natural, economic and labor resources of the country. The process of spatial development includes the territorial distribution of economic activity, infrastructure development, socio-economic development of regions and interregional interaction. The development of economic space occurs in a differentiated manner, which leads to asymmetry and polarization of Russian regions. An

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Zhang, Y. C., and S. Y. Tang. "Hall Fields and Current Systems of Magnetic Reconnection under Asymmetric Conditions." Astrophysical Journal 942, no. 2 (2023): 58. http://dx.doi.org/10.3847/1538-4357/aca760.

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Abstract The Hall effect is a key component of collisionless reconnection. A previous study showed that a quadrupolar Hall pattern under symmetric conditions degenerates into a bipolar pattern under highly asymmetric conditions. We study the properties of Hall magnetic fields and current systems during three reconnection events observed by the Magnetospheric Multiscale mission at the dayside magnetopause. Although the asymptotic density ratio between the magnetosheath and magnetospheric plasmas is very high for all three events, clear quadrupolar Hall field patterns are observed in all three e

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Herrero, Eva, Sonia Stinus, Eleanor Bellows, Lisa K. Berry, Henry Wood, and Peter H. Thorpe. "Asymmetric Transcription Factor Partitioning During Yeast Cell Division Requires the FACT Chromatin Remodeler and Cell Cycle Progression." Genetics 216, no. 3 (2020): 701–16. http://dx.doi.org/10.1534/genetics.120.303439.

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The polarized partitioning of proteins in cells underlies asymmetric cell division, which is an important driver of development and cellular diversity. The budding yeast Saccharomyces cerevisiae divides asymmetrically, like many other cells, to generate two distinct progeny cells. A well-known example of an asymmetric protein is the transcription factor Ace2, which localizes specifically to the daughter nucleus, where it drives a daughter-specific transcriptional network. We screened a collection of essential genes to analyze the effects of core cellular processes in asymmetric cell division b

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Sawada, Kazuhiko, and Shigeyoshi Saito. "Sex-Related Left-Lateralized Development of the Crus II Region of the Ansiform Lobule in Cynomolgus Monkeys." Symmetry 14, no. 5 (2022): 1015. http://dx.doi.org/10.3390/sym14051015.

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The asymmetric development of the cerebellum has been reported in several mammalian species. The current study quantitatively characterized cerebellar asymmetry and sexual dimorphism in cynomolgus macaques using magnetic resonance (MR) imaging-based volumetry. Three-dimensional T1W MR images at 7-tesla were acquired ex vivo from fixed adult male (n = 5) and female (n = 5) monkey brains. Five transverse domains of the cerebellar cortex, known as cerebellar compartmentation defined by the zebrin II/aldolase expression pattern, were segmented on MR images, and the left and right sides of their vo

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HUGDAHL, KENNETH. "Symmetry and asymmetry in the human brain." European Review 13, S2 (2005): 119–33. http://dx.doi.org/10.1017/s1062798705000700.

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Structural and functional asymmetry in the human brain and nervous system is reviewed in a historical perspective, focusing on the pioneering work of Broca, Wernicke, Sperry, and Geschwind. Structural and functional asymmetry is exemplified from work done in our laboratory on auditory laterality using an empirical procedure called dichotic listening. This also involves different ways of validating the dichotic listening procedure against both invasive and non-invasive techniques, including PET and fMRI blood flow recordings. A major argument is that the human brain shows a substantial interact

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Liu, Chengyu, Wei Liu, Mei-Fang Lu, Nigel A. Brown, and James F. Martin. "Regulation of left-right asymmetry by thresholds of Pitx2c activity." Development 128, no. 11 (2001): 2039–48. http://dx.doi.org/10.1242/dev.128.11.2039.

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Although much progress has been made in understanding the molecular mechanisms regulating left-right asymmetry, the final events of asymmetric organ morphogenesis remain poorly understood. The phenotypes of human heterotaxia syndromes, in which organ morphogenesis is uncoupled, have suggested that the early and late events of left-right asymmetry are separable. The Pitx2 homeobox gene plays an important role in the final stages of asymmetry. We have used two new Pitx2 alleles that encode progressively higher levels of Pitx2c in the absence of Pitx2a and Pitx2b, to show that different organs ha

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Pai, Vaibhav P., Laura N. Vandenberg, Douglas Blackiston, and Michael Levin. "Neurally Derived Tissues inXenopus laevisEmbryos Exhibit a Consistent Bioelectrical Left-Right Asymmetry." Stem Cells International 2012 (2012): 1–16. http://dx.doi.org/10.1155/2012/353491.

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Consistent left-right asymmetry in organ morphogenesis is a fascinating aspect of bilaterian development. Although embryonic patterning of asymmetric viscera, heart, and brain is beginning to be understood, less is known about possible subtle asymmetries present in anatomically identical paired structures. We investigated two important developmental events: physiological controls of eye development and specification of neural crest derivatives, inXenopus laevisembryos. We found that the striking hyperpolarization of transmembrane potential (Vmem) demarcating eye induction usually occurs in the

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Robichaux, Jacqulyne P., John W. Fuseler, Shrusti S. Patel, Steven W. Kubalak, Adam Hartstone-Rose та Ann F. Ramsdell. "Left–right analysis of mammary gland development in retinoid X receptor-α +/− mice". Philosophical Transactions of the Royal Society B: Biological Sciences 371, № 1710 (2016): 20150416. http://dx.doi.org/10.1098/rstb.2015.0416.

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Left–right (L–R) differences in mammographic parenchymal patterns are an early predictor of breast cancer risk; however, the basis for this asymmetry is unknown. Here, we use retinoid X receptor alpha heterozygous null (RXRα +/− ) mice to propose a developmental origin: perturbation of coordinated anterior–posterior (A–P) and L–R axial body patterning. We hypothesized that by analogy to somitogenesis—in which retinoic acid (RA) attenuation causes anterior somite pairs to develop L–R asynchronously—that RA pathway perturbation would likewise result in asymmetric mammary development. To test thi

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Brown, N. A., and L. Wolpert. "The development of handedness in left/right asymmetry." Development 109, no. 1 (1990): 1–9. http://dx.doi.org/10.1242/dev.109.1.1.

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The development of handed asymmetry requires a special mechanism for consistently specifying a difference between left and right sides. This is to be distinguished from both random asymmetry, and from those left/right differences that are mirror symmetrical. We propose a model for the development of handedness in bilateral animals, comprising three components. (i) A process termed conversion, in which a molecular handedness is converted into handedness at the cellular level. A specific model for this process is put forward, based on cell polarity and transport of cellular constituents by a han

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Levin, Michael, Amar J. S. Klar, and Ann F. Ramsdell. "Introduction to provocative questions in left–right asymmetry." Philosophical Transactions of the Royal Society B: Biological Sciences 371, no. 1710 (2016): 20150399. http://dx.doi.org/10.1098/rstb.2015.0399.

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Left–right asymmetry is a phenomenon that has a broad appeal—to anatomists, developmental biologists and evolutionary biologists—because it is a morphological feature of organisms that spans scales of size and levels of organization, from unicellular protists, to vertebrate organs, to social behaviour. Here, we highlight a number of important aspects of asymmetry that encompass several areas of biology—cell-level, physiological, genetic, anatomical and evolutionary components—and that are based on research conducted in diverse model systems, ranging from single cells to invertebrates to human

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Shamaei-Tousi, Azalea, Alessio Veneziano, and Federica Landi. "Relation between Nasal Septum Deviation and Facial Asymmetry: An Ontogenetic Analysis from Infants to Children Using Geometric Morphometrics." Applied Sciences 12, no. 22 (2022): 11362. http://dx.doi.org/10.3390/app122211362.

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The nasal septum has been postulated to have an intrinsic growth power and act as a pacemaker for facial development, its interactions with local craniofacial structures likely to influence facial anatomy and morphology. Recent studies have begun to investigate the link between nasal septum deviation and facial asymmetry; however, the magnitude and mechanisms of this relation are still unclear. This study aimed to analyse the degree of nasal septum deviation in a sample of infants and children (males and females from 0 to 8 years old) and its correlation with the three-dimensional structure of

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OTKYDACH, M. V. "Asymmetric of the Characteristics оf “Decent Work” Within the Aspects of Regional Human Development". Demography and social economy, № 4 (4 грудня 2020): 106–19. http://dx.doi.org/10.15407/dse2020.04.106.

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Applying asymmetry coeffi cients to investigate the “decent work” component in an index model of regional human development is proposed. Th e author presents the methodology for measuring asymmetry for aspects of human development and calculates asymmetry coeffi cients for the “decent work” aspect. Th e article analyzes the manifestations of asymmetry in leading regions and in regions with low subindex rate and gives the graphical representation of asymmetry concerning to the perfectly symmetric situation and the division of regions into groups according to the level of their asymmetry coeffi

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Parés-Casanova, Pere M., René Alejandro Crosby-Granados, Fabián Muñoz, and Arcesio Salamanca-Carreño. "Marked Directional Skull Asymmetry in the Araucan Horse." VCOT Open 03, no. 01 (2020): e11-e18. http://dx.doi.org/10.1055/s-0040-1702986.

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Abstract Background Deviations from the perfect symmetry of normally bilateral symmetrical characters occur during individual development due to the influence of multiple factors. Fluctuating asymmetry (FA) is the random developmental variation of a trait (or character) that is perfectly symmetrical, on average, across a population. Directional asymmetry (DA) occurs when one side of the pair of body sides is strongly more marked. Objective We investigated the presence and level of skull FA and DA in the Araucan horse, a breed from East Colombia. Study Design A sample of 21 skulls belonging to

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Casto, Erica M., Corrie Mancinelli, Petronela Meszaros, and Jean L. McCrory. "Asymmetric changes in foot anthropometry with pregnancy may be related to onset of lower limb and low back pain." PLOS ONE 19, no. 2 (2024): e0292115. http://dx.doi.org/10.1371/journal.pone.0292115.

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Introduction Fifty percent of pregnant females experience pain with 20% reporting long-term pain post-partum. Pregnant females undergo changes in foot anthropometry, lower extremity alignment, and joint laxity. It is unknown if asymmetric alterations may be related to development of pain. The purpose of this study was twofold: 1) to compare asymmetric alignment in pregnant females with and without pain during pregnancy and in nulliparous controls and 2) to assess the relationship between asymmetric alignment and pain severity in all participants. Methods Ten pregnant females in their third tri

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WOLPERT, LEWIS. "Development of the asymmetric human." European Review 13, S2 (2005): 97–103. http://dx.doi.org/10.1017/s1062798705000682.

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Symmetry across the midline is present in many animals, together with the left/right asymmetry of several organs, such as the heart in vertebrates. The development of such asymmetries during embryonic development requires first the specification of the midline and then specification of left/right. One model proposes the transfer of molecular asymmetry to the multicellular level. Nodal expression on the left side in mammals and chicks is a key event, and is due to the release of calcium on the left possibly involving an ion pump and the Notch pathway

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B. Wood, William. "LEFT-RIGHT ASYMMETRY IN ANIMAL DEVELOPMENT." Annual Review of Cell and Developmental Biology 13, no. 1 (1997): 53–82. http://dx.doi.org/10.1146/annurev.cellbio.13.1.53.

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