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Journal articles on the topic 'Temporal crest'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Perris, R., D. Krotoski, T. Lallier, C. Domingo, J. M. Sorrell, and M. Bronner-Fraser. "Spatial and temporal changes in the distribution of proteoglycans during avian neural crest development." Development 111, no. 2 (1991): 583–99. http://dx.doi.org/10.1242/dev.111.2.583.

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In this study, we describe the distribution of various classes of proteoglycans and their potential matrix ligand, hyaluronan, during neural crest development in the trunk region of the chicken embryo. Different types of chondroitin and keratan sulfate proteoglycans were recognized using a panel of monoclonal antibodies produced against specific epitopes on their glycosaminoglycan chains. A heparan sulfate proteoglycan was identified by an antibody against its core protein. The distribution of hyaluronan was mapped using a biotinylated fragment that corresponds to the hyaluronan-binding region

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Zhang, Yangyang, Qingfu Huang, Shizhuang Chen, Fudong Chi, Huachen Wang, and Weiya Xu. "Spatial and Temporal Distribution Characteristics of Landslide Surge Based on Large-Scale Physical Modeling Experiment." Applied Sciences 14, no. 5 (2024): 2104. http://dx.doi.org/10.3390/app14052104.

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Surge is a common secondary disaster caused by reservoir landslides. The study of its spatial and temporal distribution characteristics is important since it affects not only the normal operation of reservoirs but also the safety of people residing along the river. This paper presents a large-scale three-dimensional physical modeling experiment using a near-dam high-position landslide project as a prototype. It investigated the relationships between the river course characteristics, the landslide volume, the head wave velocity of the landslide surge, the waveform of surges, and the head wave c

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3

Taneyhill, Lisa A., and Marianne Bronner-Fraser. "Dynamic Alterations in Gene Expression after Wnt-mediated Induction of Avian Neural Crest." Molecular Biology of the Cell 16, no. 11 (2005): 5283–93. http://dx.doi.org/10.1091/mbc.e05-03-0210.

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The Wnt signaling pathway is important in the formation of neural crest cells in many vertebrates, but the downstream targets of neural crest induction by Wnt are largely unknown. Here, we examined quantitative changes in gene expression regulated by Wnt-mediated neural crest induction using quantitative PCR (QPCR). Induction was recapitulated in vitro by adding soluble Wnt to intermediate neural plate tissue cultured in collagen, and induced versus control tissue were assayed using gene-specific primers at times corresponding to premigratory (18 and 24 h) or early (36 h) stages of crest migra

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4

Duband, J. L., and J. P. Thiery. "Spatial and temporal distribution of vinculin and talin in migrating avian neural crest cells and their derivatives." Development 108, no. 3 (1990): 421–33. http://dx.doi.org/10.1242/dev.108.3.421.

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Neural crest cells express different adhesion modes at each phase of their development starting with their separation from the neural tube, followed by migration along definite pathways throughout the embryo, and finally to settlement and differentiation in elected embryonic regions. In order to determine possible changes in the cytoskeleton organization and function during these processes, we have studied the in situ distribution of two major cytoskeleton-associated elements involved in the membrane anchorage of actin microfilaments, i.e. vinculin and talin, during the ontogeny of the neural

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Lee, Yoon Ho, Sin Chul Lee, and Kun Hwang. "Anchoring Temporalis Muscle to Porous Polyethylene Sheet Fixed at the Temporal Crest in the Temporal Depression." Journal of Craniofacial Surgery 23, no. 1 (2012): e48-e50. http://dx.doi.org/10.1097/scs.0b013e318241e1ba.

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6

Montgomery, J., D. Bodznick, and M. Halstead. "Hindbrain signal processing in the lateral line system of the dwarf scorpionfish Scopeana papillosus." Journal of Experimental Biology 199, no. 4 (1996): 893–99. http://dx.doi.org/10.1242/jeb.199.4.893.

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Recordings were made from primary afferent fibres and secondary projection neurones (crest cells) in the mechanosensory lateral line system of the dwarf scorpionfish. Crest cells were identified by antidromic stimulation from the contralateral midbrain. Differences between primary afferent fibre and crest cell response characteristics are indicative of signal processing by the neuronal circuitry of the medial octavolateralis nucleus. There are a number of differences between primary afferent fibres and crest cells. Primary afferents have relatively high levels of spontaneous activity (mean clo

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7

Kot, T. F., I. M. Lutsiuk, and O. V. Synytskyi. "The structural features of the sculls of animals of a series of Carnivore." Scientific Messenger of LNU of Veterinary Medicine and Biotechnology 21, no. 93 (2019): 65–69. http://dx.doi.org/10.32718/nvlvet9312.

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Predators is medium-sized and large mammal leading a terrestrial way of life. They are mostly carnivorous animals, the nature of nutrition of which indicate certain devices are reflected in the structure of the scull. The aim of the work is to conduct a comparative anatomical study of the structure of the scull and to determine the craniometric indicators in animals of families Feline (Domestic cat), Canine (Domestic dog, Wolf, Fox ordinary) and Mustelidae (stone marten, forest polecat, badger ordinary) a squad of Carnivore. Comparative anatomical, craniological and statistical methods of rese

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8

Fountain, Daniel M., and Tatjana Sauka-Spengler. "The SWI/SNF Complex in Neural Crest Cell Development and Disease." Annual Review of Genomics and Human Genetics 24, no. 1 (2023): 203–23. http://dx.doi.org/10.1146/annurev-genom-011723-082913.

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While the neural crest cell population gives rise to an extraordinary array of derivatives, including elements of the craniofacial skeleton, skin pigmentation, and peripheral nervous system, it is today increasingly recognized that Schwann cell precursors are also multipotent. Two mammalian paralogs of the SWI/SNF (switch/sucrose nonfermentable) chromatin-remodeling complexes, BAF (Brg1-associated factors) and PBAF (polybromo-associated BAF), are critical for neural crest specification during normal mammalian development. There is increasing evidence that pathogenic variants in components of t

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9

Gomez, Gustavo A., Maneeshi S. Prasad, Nabjot Sandhu, Patrick B. Shelar, Alan W. Leung, and Martín I. García-Castro. "Human neural crest induction by temporal modulation of WNT activation." Developmental Biology 449, no. 2 (2019): 99–106. http://dx.doi.org/10.1016/j.ydbio.2019.02.015.

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10

Santagati, F. "Temporal requirement of Hoxa2 in cranial neural crest skeletal morphogenesis." Development 132, no. 22 (2005): 4927–36. http://dx.doi.org/10.1242/dev.02078.

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11

Rekler, Dina, and Chaya Kalcheim. "From Neural Crest to Definitive Roof Plate: The Dynamic Behavior of the Dorsal Neural Tube." International Journal of Molecular Sciences 22, no. 8 (2021): 3911. http://dx.doi.org/10.3390/ijms22083911.

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Research on the development of the dorsal neural tube is particularly challenging. In this highly dynamic domain, a temporal transition occurs between early neural crest progenitors that undergo an epithelial-to-mesenchymal transition and exit the neural primordium, and the subsequent roof plate, a resident epithelial group of cells that constitutes the dorsal midline of the central nervous system. Among other functions, the roof plate behaves as an organizing center for the generation of dorsal interneurons. Despite extensive knowledge of the formation, emigration and migration of neural cres

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12

JIANG, LEI, MARC PERLIN, and WILLIAM W. SCHULTZ. "Period tripling and energy dissipation of breaking standing waves." Journal of Fluid Mechanics 369 (August 25, 1998): 273–99. http://dx.doi.org/10.1017/s0022112098001785.

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We examine the dynamics of two-dimensional steep and breaking standing waves generated by Faraday-wave resonance. Jiang et al. (1996) found a steep wave with a double-peaked crest in experiments and a sharp-crested steep wave in computations. Both waveforms are strongly asymmetric in time and feature large superharmonics. We show experimentally that increasing the forcing amplitude further leads to breaking waves in three recurrent modes (period tripling): sharp crest with breaking, dimpled or flat crest with breaking, and round crest without breaking. Interesting steep waveforms and period-tr

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13

Kanzler, B., R. K. Foreman, P. A. Labosky, and M. Mallo. "BMP signaling is essential for development of skeletogenic and neurogenic cranial neural crest." Development 127, no. 5 (2000): 1095–104. http://dx.doi.org/10.1242/dev.127.5.1095.

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BMP signaling is essential for a wide variety of developmental processes. To evaluate the role of Bmp2/4 in cranial neural crest (CNC) formation or differentiation after its migration into the branchial arches, we used Xnoggin to block their activities in specific areas of the CNC in transgenic mice. This resulted in depletion of CNC cells from the targeted areas. As a consequence, the branchial arches normally populated by the affected neural crest cells were hypomorphic and their skeletal and neural derivatives failed to develop. In further analyses, we have identified Bmp2 as the factor req

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14

Ma, Qiumei, Lihua Xiong, Dedi Liu, Chong-Yu Xu, and Shenglian Guo. "Evaluating the Temporal Dynamics of Uncertainty Contribution from Satellite Precipitation Input in Rainfall-Runoff Modeling Using the Variance Decomposition Method." Remote Sensing 10, no. 12 (2018): 1876. http://dx.doi.org/10.3390/rs10121876.

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Satellite precipitation estimates (SPE), characterized by high spatial-temporal resolution, have been increasingly applied to hydrological modeling. However, the errors and bias inherent in SPE are broadly recognized. Yet, it remains unclear to what extent input uncertainty in hydrological models driven by SPE contributes to the total prediction uncertainty, resulting from difficulties in uncertainty partitioning. This study comprehensively quantified the input uncertainty contribution of three precipitation inputs (Tropical Rainfall Measurement Mission (TRMM) near-real-time 3B42RTv7 product,

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15

Stone, J. G., L. I. Spirling, and M. K. Richardson. "The neural crest population responding to endothelin-3 in vitro includes multipotent cells." Journal of Cell Science 110, no. 14 (1997): 1673–82. http://dx.doi.org/10.1242/jcs.110.14.1673.

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The peptide endothelin 3 (EDN3) is essential for normal neural crest development in vivo, and is a potent mitogen for quail truncal crest cells in vitro. It is not known which subpopulations of crest cells are targets for this response, although it has been suggested that EDN3 is selective for melanoblasts. In the absence of cell markers for different precursor types in the quail crest, we have characterised EDN3-responsive cell types using in vitro colony assay and clonal analysis. Colonies were analysed for the presence of Schwann cells, melanocytes, adrenergic cells or sensory-like cells. W

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16

Li, Zhansheng, Yuan Yang, Guangyuan Kan, and Yang Hong. "Study on the Applicability of the Hargreaves Potential Evapotranspiration Estimation Method in CREST Distributed Hydrological Model (Version 3.0) Applications." Water 10, no. 12 (2018): 1882. http://dx.doi.org/10.3390/w10121882.

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The potential evapotranspiration (PET) is an important input to the hydrological model and its compatibility has an important influence on the model applications. The applicability of the Hargreaves-Samani (HS) PET estimation method in Coupled Routing and Excess STorage distributed hydrological model version 3.0 (CREST 3.0 model) was studied in a typical humid region, Ganjiang River Basin, in Southern China. The PET estimation methods were evaluated based on the streamflow simulation accuracies using the CREST 3.0 model driven by different PET products with various spatial resolutions. The Pen

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17

Rama Rao, P. V. S., S. Gopi Krishna, K. Niranjan, and D. S. V. V. D. Prasad. "Temporal and spatial variations in TEC using simultaneous measurements from the Indian GPS network of receivers during the low solar activity period of 2004–2005." Annales Geophysicae 24, no. 12 (2006): 3279–92. http://dx.doi.org/10.5194/angeo-24-3279-2006.

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Abstract. With the recent increase in the satellite-based navigation applications, the ionospheric total electron content (TEC) and the L-band scintillation measurements have gained significant importance. In this paper we present the temporal and spatial variations in TEC derived from the simultaneous and continuous measurements made, for the first time, using the Indian GPS network of 18 receivers located from the equator to the northern crest of the equatorial ionization anomaly (EIA) region and beyond, covering a geomagnetic latitude range of 1° S to 24° N, using a 16-month period of data

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18

Yalcin, E. D., and S. Akyol. "Assessment of the temporal crest canal using cone-beam computed tomography." British Journal of Oral and Maxillofacial Surgery 58, no. 2 (2020): 199–202. http://dx.doi.org/10.1016/j.bjoms.2019.11.012.

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19

Hari, L., I. Miescher, O. Shakhova, et al. "Temporal control of neural crest lineage generation by Wnt/ -catenin signaling." Development 139, no. 12 (2012): 2107–17. http://dx.doi.org/10.1242/dev.073064.

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20

Landolt, R. M., L. Vaughan, K. H. Winterhalter, and D. R. Zimmermann. "Versican is selectively expressed in embryonic tissues that act as barriers to neural crest cell migration and axon outgrowth." Development 121, no. 8 (1995): 2303–12. http://dx.doi.org/10.1242/dev.121.8.2303.

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Chondroitin sulfate proteoglycans have been implicated in the regulation of cell migration and pattern formation in the developing peripheral nervous system. To identify whether the large aggregating proteoglycan versican might be mediating these processes, we prepared monospecific antibodies against a recombinant core protein fragment of chick versican. The purified antibodies recognize the predominant versican splice-variants V0 and V1. Using these antibodies, we revealed a close correlation between the spacio-temporal expression of versican and the formation of molecular boundaries flanking

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21

SCHULTZ, WILLIAM W., JEAN-MARC VANDEN-BROECK, LEI JIANG, and MARC PERLIN. "Highly nonlinear standing water waves with small capillary effect." Journal of Fluid Mechanics 369 (August 25, 1998): 253–72. http://dx.doi.org/10.1017/s0022112098001773.

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We calculate spatially and temporally periodic standing waves using a spectral boundary integral method combined with Newton iteration. When surface tension is neglected, the non-monotonic behaviour of global wave properties agrees with previous computations by Mercer & Roberts (1992). New accurate results near the limiting form of gravity waves are obtained by using a non-uniform node distribution. It is shown that the crest angle is smaller than 90° at the largest calculated crest curvature. When a small amount of surface tension is included, the crest form is changed significantly. It i

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22

Lough, R. Gregory, Elisabeth A. Broughton, and Trond Kristiansen. "Changes in spatial and temporal variability of prey affect functional connectivity of larval and juvenile cod." ICES Journal of Marine Science 74, no. 6 (2017): 1826–37. http://dx.doi.org/10.1093/icesjms/fsx080.

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Abstract Changes in structural connectivity as it can affect functional connectivity, the biological and behavioural responses of an organism, has been examined here over 2 contrasting years when the spatial distribution of larval and juvenile cod and their prey shifted from the flank to the crest on Georges Bank. New data on the gut contents of pelagic juvenile cod are compared with known prey distributions, potential growth and how climate warming can change connectivity in this region. Centropages spp. was the most important prey for pelagic juveniles, especially in June 1987 when they had

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23

Anderson, R. Scott, Susan J. Smith, and Peter A. Koehler. "Distribution of Sites and Radiocarbon Dates in the Sierra Nevada: Implications for Paleoecological Prospecting." Radiocarbon 39, no. 2 (1997): 121–37. http://dx.doi.org/10.1017/s0033822200051973.

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The number of paleoecological records for the Sierra Nevada of California has increased substantially since the compilation of Adam (1985). We examine here the geographical and temporal distribution of records within the range in order to identify areas for which “gaps” exist in our paleoecological knowledge. Seventy-two sites with paleoecological information are identified; these sites are dated with 234 radiocarbon dates. Sites occur primarily between ca. 36°N and 38°30'N latitudes, and from ca. 1000 m to over 3000 m elevation on both sides of the Sierran crest, although more sites have been

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Serbedzija, G. N., M. Bronner-Fraser, and S. E. Fraser. "Vital dye analysis of cranial neural crest cell migration in the mouse embryo." Development 116, no. 2 (1992): 297–307. http://dx.doi.org/10.1242/dev.116.2.297.

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The spatial and temporal aspects of cranial neural crest cell migration in the mouse are poorly understood because of technical limitations. No reliable cell markers are available and vital staining of embryos in culture has had limited success because they develop normally for only 24 hours. Here, we circumvent these problems by combining vital dye labelling with exo utero embryological techniques. To define better the nature of cranial neural crest cell migration in the mouse embryo, premigratory cranial neural crest cells were labelled by injecting DiI into the amniotic cavity on embryonic

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25

Ossenberg, N. S. "Temporal crest canal: Case report and statistics on a rare mandibular variant." Oral Surgery, Oral Medicine, Oral Pathology 62, no. 1 (1986): 10–12. http://dx.doi.org/10.1016/0030-4220(86)90062-9.

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26

Shin, Myung K., John M. Levorse, Robert S. Ingram, and Shirley M. Tilghman. "The temporal requirement for endothelin receptor-B signalling during neural crest development." Nature 402, no. 6761 (1999): 496–501. http://dx.doi.org/10.1038/990040.

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27

Matsuoka, Norikazu. "Temporal and spatial variations in periglacial soil movements on alpine crest slopes." Earth Surface Processes and Landforms 30, no. 1 (2005): 41–58. http://dx.doi.org/10.1002/esp.1125.

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28

Boisseau, S., J. Nedelec, V. Poirier, G. Rougon, and M. Simonneau. "Analysis of high PSA N-CAM expression during mammalian spinal cord and peripheral nervous system development." Development 112, no. 1 (1991): 69–82. http://dx.doi.org/10.1242/dev.112.1.69.

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Using a monoclonal antibody that recognizes specifically a high polysialylated form of N-CAM (high PSA N-CAM), the temporal and spatial expression of this molecule was studied in developing spinal cord and neural crest derivatives of mouse truncal region. Temporal expression was analyzed on immunoblots of spinal cord and dorsal root ganglia (DRGs) extracts microdissected at different developmental stages. Analysis of the ratio of high PSA N-CAM to total N-CAM indicated that sialylation and desialylation are independently regulated from the expression of polypeptide chains of N-CAM. Motoneurons

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29

Li, Bin, Phi Doan, Robert R. Gruhl, Alessia Rubini, Daniele Marchioni, and Manuela Fina. "Endoscopic Anatomy of the Tensor Fold and Anterior Attic." Otolaryngology–Head and Neck Surgery 158, no. 2 (2017): 358–63. http://dx.doi.org/10.1177/0194599817739295.

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Objectives The objectives of the study were to (1) study the anatomical variations of the tensor fold and its anatomic relation with transverse crest, supratubal recess, and anterior epitympanic space and (2) explore the most appropriate endoscopic surgical approach to each type of the tensor fold variants. Study Design Cadaver dissection study. Setting Temporal bone dissection laboratory. Subjects and Methods Twenty-eight human temporal bones (26 preserved and 2 fresh) were dissected through an endoscopic transcanal approach between September 2016 and June 2017. The anatomical variations of t

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van, Haren Hans, Ulrike Hanz, Stigter Henko de, Furu Mienis, and Gerard Duineveld. "Internal wave turbulence at a biologically rich Mid-Atlantic seamount." PLoS ONE 12, no. 12 (2017): e0189720. https://doi.org/10.1371/journal.pone.0189720.

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<strong>Abstract</strong> The turbulence regime near the crest of a biologically rich seamount of the Mid-Atlantic Ridge southwest of the Azores was registered in high spatial and temporal resolution. Internal tides and their higher harmonics dominate the internal wave motions, producing considerable shear-induced turbulent mixing in layers of 10–50 m thickness. This interior mixing of about 100 times open-ocean interior values is observed both at a high-resolution temperature sensor mooring-site at the crest, 770 m water depth being nearly 400 m below the top of the seamount, and a CTD-

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Jiang, Lei, Chao-Lung Ting, Marc Perlin, and William W. Schultz. "Moderate and steep Faraday waves: instabilities, modulation and temporal asymmetries." Journal of Fluid Mechanics 329 (December 25, 1996): 275–307. http://dx.doi.org/10.1017/s0022112096008920.

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Mild to steep standing waves of the fundamental mode are generated in a narrow rectangular cylinder undergoing vertical oscillation with forcing frequencies of 3.15 Hz to 3.34 Hz. A precise, non-intrusive optical wave profile measurement system is used along with a wave probe to accurately quantify the spatial and temporal surface elevations. These standing waves are also simulated by a two-dimensional spectral Cauchy integral code. Experiments show that contact-line effects increase the viscous natural frequency and alter the neutral stability curves. Hence, as expected, the addition of the w

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32

Pinheiro, Felipe L., and Taissa Rodrigues. "Anhanguera taxonomy revisited: is our understanding of Santana Group pterosaur diversity biased by poor biological and stratigraphic control?" PeerJ 5 (May 4, 2017): e3285. http://dx.doi.org/10.7717/peerj.3285.

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Background Anhanguerids comprise an important clade of pterosaurs, mostly known from dozens of three-dimensionally preserved specimens recovered from the Lower Cretaceous Romualdo Formation (northeastern Brazil). They are remarkably diverse in this sedimentary unit, with eight named species, six of them belonging to the genus Anhanguera. However, such diversity is likely overestimated, as these species have been historically diagnosed based on subtle differences, mainly based on the shape and position of the cranial crest. In spite of that, recently discovered pterosaur taxa represented by lar

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Perfit, M. R., D. J. Fornari, M. C. Smith, J. F. Bender, C. H. Langmuir, and R. M. Haymon. "Small-scale spatial and temporal variations in mid-ocean ridge crest magmatic processes." Geology 22, no. 4 (1994): 375–79. http://dx.doi.org/10.1130/0091-7613(1994)022<0375:sssatv>2.3.co;2.

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34

Hummon, Julia M., and Thomas Rossby. "Spatial and temporal evolution of a Gulf Stream crest-warm core ring interaction." Journal of Geophysical Research: Oceans 103, no. C2 (1998): 2795–809. http://dx.doi.org/10.1029/97jc02375.

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35

Porras, Diego, and Christopher B. Brown. "Temporal–spatial ablation of neural crest in the mouse results in cardiovascular defects." Developmental Dynamics 237, no. 1 (2007): 153–62. http://dx.doi.org/10.1002/dvdy.21382.

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Kent, Marc, Eric N. Glass, and Jordan Schachar. "A lateral approach to the feline cerebellar fossa: case report and identification of an external landmark for the tentorium ossium." Journal of Feline Medicine and Surgery 22, no. 4 (2019): 358–65. http://dx.doi.org/10.1177/1098612x19869699.

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Objectives The aim of this study was to describe the use of an external landmark that defines the attachment of the tentorium ossium for planning a craniectomy to access the cerebellar fossa. The external landmark was defined by a line where the caudal aspect of the convexity of the cranium transitions to a flat surface in the caudal aspect of the temporal fossa. We also aimed to determine if this external landmark was present and readily visualized, and to establish its relationship to the nuchal crest using three-dimensional (3D) volume-rendered CT reconstructions created from cats with norm

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Psuty, Norbert, Katherine Ames, Andrea Habeck, and Glenn Liu. "Sediment Budget and Geomorphological Evolution of the Estuarine Dune-Beach System on Three Nourished Beaches, Delaware Bay, New Jersey." Geosciences 9, no. 1 (2018): 16. http://dx.doi.org/10.3390/geosciences9010016.

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Beach nourishment was applied at three fetch-restricted sites along the estuarine margin of Delaware Bay, New Jersey. Evaluation of geomorphological performance of the nourishment project was conducted through seasonal monitoring to track linear features (shoreline, dune crest, peat edge) and to create digital elevation models (DEMs). Comparisons of the DEMs yielded sediment budgets of the updrift, fill area, and downdrift zones as well as the spatial and temporal evolution of the tidal flat, beach, and dune features within the zones. Through four years, Moore’s Beach lost all of the emplaced

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Takahashi, K., G. H. Nuckolls, O. Tanaka, et al. "Adenovirus-mediated ectopic expression of Msx2 in even-numbered rhombomeres induces apoptotic elimination of cranial neural crest cells in ovo." Development 125, no. 9 (1998): 1627–35. http://dx.doi.org/10.1242/dev.125.9.1627.

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Distinct cranial neural crest-derived cell types (a number of neuronal as well as non-neuronal cell lineages) are generated at characteristic times and positions in the rhombomeres of the hindbrain in developing vertebrate embryos. To examine this developmental process, we developed a novel strategy designed to test the efficacy of gain-of-function Msx2 expression within rhombomeres in ovo prior to the emigration of cranial neural crest cells (CNCC). Previous studies indicate that CNCC from odd-numbered rhombomeres (r3 and r5) undergo apoptosis in response to exogenous BMP4. We provide evidenc

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Kumar, Navneet, Rakesh Kumar Verma, Arvind Kumar Pankaj, Archana Rani, and Rakesh Kumar Diwan. "Bilateral bony bar bridging of the sigmoid sulcus : a case report." National Journal of Clinical Anatomy 05, no. 02 (2016): 097–99. http://dx.doi.org/10.1055/s-0039-3401593.

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AbstractThe crest, plate and bars like bony projections may be present on sigmoid sulcus. The bony connection between petrous temporal and occipital bone may divide the jugnlar foramen. A skull with bilateral curved bony plate connecting the inner margin of groove for sigmoid sinus and petrous temporal was observed during routine osteology classes. The shape, size and location of both the bars were almost identical. These bony bars were connecting the posterior margin of petrous temporal and postero-lateral part of sigmoid sulcus. Structurally, they resembled as a part of ring. The location of

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Pasqualetti, M., M. Ori, I. Nardi, and F. M. Rijli. "Ectopic Hoxa2 induction after neural crest migration results in homeosis of jaw elements in Xenopus." Development 127, no. 24 (2000): 5367–78. http://dx.doi.org/10.1242/dev.127.24.5367.

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Hox genes are required to pattern neural crest (NC) derived craniofacial and visceral skeletal structures. However, the temporal requirement of Hox patterning activity is not known. Here, we use an inducible system to establish Hoxa2 activity at distinct NC migratory stages in Xenopus embryos. We uncover stage-specific effects of Hoxa2 gain-of-function suggesting a multistep patterning process for hindbrain NC. Most interestingly, we show that Hoxa2 induction at postmigratory stages results in mirror image homeotic transformation of a subset of jaw elements, normally devoid of Hox expression,

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Chonnaniyah, Chonnaniyah, Takahiro Osawa, and I. Wayan Gede Astawa Karang. "STUDY OF INTERNAL SOLITARY WAVES FEATURE EXTRACTION BASED ON STATIONARY WAVELET TRANSFORM BY SENTINEL-1A IMAGE IN LOMBOK STRAIT." ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) 13, no. 1 (2019): 29. http://dx.doi.org/10.24843/ejes.2019.v13.i01.p04.

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Stationary Wavelet Transform (SWT), mother function Symlet 4, shows an effective method for Internal Solitary Waves (ISW) feature extraction and four parameters (soliton numbers, first crest length, wavelength and propagation direction) estimation by Sentinel-1A C-band Synthetic Aperture Radar (SAR) imagery in Lombok Strait. The ISW feature can be distinguished from other features using the SWT noise reduction process and simple thresholding methods. ISW feature extraction results by SAR images can show ISW characteristics more clearly and can be used as a basis for obtaining ISW spatial-tempo

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Supawannawiwat, Thanawan, Chottiwat Tansirisithikul, and Bunpot Sitthinamsuwan. "Temporal Bone Landmarks of the Transversesigmoid Sinus Junction: An Anatomical Study in Dried Human Skulls." Siriraj Medical Journal 73, no. 11 (2021): 738–43. http://dx.doi.org/10.33192/smj.2021.95.

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Objective: To investigate the accuracy in localization of the anterosuperior margin of TSSJ by using the intersection point between the squamosal and parietomastoid sutures (A point) and the intersection of the squamosal suture and supramastoid crest (B point) as bony landmarks.Materials and Methods: The A and B points were marked on the inner surface of a skull by using the transillumination technique. The anatomical relationship between the projected A point, B point, and groove of TSSJ was investigated in 60 dried Thai human skulls (120 sides).Results: Of the 120 sides, the projected A poin

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Simms, David L., and J. Gail Neely. "Thickness of the Lateral Surface of the Temporal Bone in Children." Annals of Otology, Rhinology & Laryngology 98, no. 9 (1989): 726–31. http://dx.doi.org/10.1177/000348948909800913.

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The placement of implantable auditory prostheses in children has raised questions concerning the thickness of the temporal bone in the region of implantation. The purpose of this study is to describe the thickness at specific sites of the lateral surface of the temporal bone in children of different ages. One hundred twenty-five intact temporal bones from 83 children of known sex, race, and age between birth and 20 years were measured. Thickness was measured with a specially designed micrometer at specific locations from a fixed reference point by use of a surface projected grid for site ident

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McKeown, Sonja J., Donald F. Newgreen, and Peter G. Farlie. "Temporal restriction of migratory and lineage potential in rhombomere 1 and 2 neural crest." Developmental Biology 255, no. 1 (2003): 62–76. http://dx.doi.org/10.1016/s0012-1606(02)00076-3.

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Ali, Asha, Steven Lo, Charles Nduka, and Philip Adds. "Anatomy of the infratemporal crest: Implications for cross-facial nerve grafting in temporal myoplasty." Journal of Plastic, Reconstructive & Aesthetic Surgery 65, no. 3 (2012): e54-e59. http://dx.doi.org/10.1016/j.bjps.2011.11.028.

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Echelard, Y., G. Vassileva, and A. P. McMahon. "Cis-acting regulatory sequences governing Wnt-1 expression in the developing mouse CNS." Development 120, no. 8 (1994): 2213–24. http://dx.doi.org/10.1242/dev.120.8.2213.

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The protooncogene Wnt-1 encodes a short-range signal which is first expressed in, and appears to demarcate, the presumptive midbrain. Absence of Wnt-1 expression leads to the loss of this region of the brain. By the end of neural tube closure, expression of Wnt-1 extends down much of the dorsal midline of the central nervous system (CNS). Expression is exclusively limited to the CNS at this and later stages. We have investigated the regulation of Wnt-1 during mouse development. Analysis of the embryonic expression of Wnt-1-lacZ reporter constructs spanning nearly 30 kb of the Wnt-1 locus ident

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Alevizos, Evangelos. "Quantification of Nearshore Sandbar Seasonal Evolution Based on Drone Pseudo-Bathymetry Time-Lapse Data." Remote Sensing 16, no. 23 (2024): 4551. https://doi.org/10.3390/rs16234551.

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Nearshore sandbars are dynamic features that characterize shallow morphobathymetry and vary over a wide range of geometries and temporal lifespans. Nearshore sandbars influence beach geometry by altering the energy of incoming waves; thus, monitoring the evolution of sandbars is a fundamental approach in effective coastal planning. Due to several natural and technical limitations related to shallow seafloor mapping, there is a significant gap in the availability of high-resolution, shallow bathymetric data for monitoring the dynamic behaviour of nearshore sandbars effectively. This study intro

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Maden, M., P. Hunt, U. Eriksson, A. Kuroiwa, R. Krumlauf, and D. Summerbell. "Retinoic acid-binding protein, rhombomeres and the neural crest." Development 111, no. 1 (1991): 35–43. http://dx.doi.org/10.1242/dev.111.1.35.

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We have investigated by immunocytochemistry the spatial and temporal distribution of cellular retinoic acid-binding protein (CRABP) in the developing nervous system of the chick embryo in order to answer two specific questions: do neural crest cells contain CRABP and where and when do CRABP-positive neuroblasts first arise in the neural tube? With regard to the neural crest, we have compared CRABP staining with HNK-1 staining (a marker of migrating neural crest) and found that they do indeed co-localise, but cephalic and trunk crest behave slightly differently. In the cephalic region in tissue

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Zilberman, N. V., M. A. Merrifield, G. S. Carter, D. S. Luther, M. D. Levine, and T. J. Boyd. "Incoherent Nature of M2 Internal Tides at the Hawaiian Ridge." Journal of Physical Oceanography 41, no. 11 (2011): 2021–36. http://dx.doi.org/10.1175/jpo-d-10-05009.1.

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Abstract Moored current, temperature, and conductivity measurements are used to study the temporal variability of M2 internal tide generation above the Kaena Ridge, between the Hawaiian islands of Oahu and Kauai. The energy conversion from the barotropic to baroclinic tide measured near the ridge crest varies by a factor of 2 over the 6-month mooring deployment (0.5–1.1 W m−2). The energy flux measured just off the ridge undergoes a similar modulation as the ridge conversion. The energy conversion varies largely because of changes in the phase of the perturbation pressure, suggesting variable

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Shimada, Kousuke, Toshiaki Tachibana, Kei Fujimoto, Takashi Sasaki, and Masataka Okabe. "Temporal and Spatial Cellular Distribution of Neural Crest Derivatives and Alpha Cells during Islet Development." ACTA HISTOCHEMICA ET CYTOCHEMICA 45, no. 1 (2012): 65–75. http://dx.doi.org/10.1267/ahc.11052.

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