Academic literature on the topic 'Pit Anatomy'

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Journal articles on the topic "Pit Anatomy"

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Bachtiar, Zulfi Amalia, and Rizki Amalia Putria. "Penatalaksanaan Fissure Sealent Pada Gigi Anak (Laporan Kasus)." Talenta Conference Series: Tropical Medicine (TM) 1, no. 1 (October 2, 2018): 207–13. http://dx.doi.org/10.32734/tm.v1i1.72.

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Permukaan oklusal dengan pit dan fisur telah dikenal sebagai daerah yang rentan akan karies, karena anatomi yang spesifik dan ketidakmampuan untuk mengeliminasi plak secara adekuat. Fissure sealant adalah suatu tindakan pencegahan karies pada gigi yang secara anatomis mempunyai pit dan fisur yang dalam yang karenanya lebih gampang terserang karies. Tujuan utama diberikannya sealant adalah agar terjadinya penetrasi bahan ke dalam pit dan fisur serta berpolimerisai dan menutup daerah tersebut dari bakteri dan debris. Kasus ini merupakan tindakan penatalaksanann fissure sealent sebagai upaya pencegahan karies pada gigi anak, teknik ini terbukti efektif mengurangi insiden karies pada pit dan fisur yang merupakan bagian yang rentan karies Pit dan fisur sering terjadi pada gigi geraham, yang memiliki peranan sangat penting yaitu untuk melakukan pengunyahan di permukaannya yang lebar untuk menghaluskan partikel makanan yang sudah kita potong dengan gigi depan, dengan diberikannya bahan penutup pit dan fisur sejak awal erupsi gigi, diharapkan dapat mencegah bakteri sisa makanan berada dalam pit dan fisur. Occlusal surfaces with pits and fissures are claimed to be vulnerable area for caries to develop due to specific anatomy and inability to eliminate plaque adequately. Fissure sealant application is an action to prevent caries in teeth which has deep pits and fissures anatomically and more easily attacked by caries. The main purpose of applying fissure sealant to teeth is to penetrate anatomic surface pits and fissures, to polymerize, and to close the area from bacteria and debris. This case was about fissure sealant application as an effort to prevent caries on children’s teeth. This application had been proven effective in reducing the occurence of caries on the pit and fissure because pit and fissure were vulnerable for caries to develop. Caries frequently occurred on molars. Molars had a very important role in food particles mastication and softening on their wide surfaces that we had cut with our front teeth. It is expected that pit and fissure sealant applied since the tooth erupts prevent the bacteria.
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de Palacios, Paloma, Luis G. Esteban, Francisco G. Fernández, Alberto García-Iruela, María Conde, and Elena Román-Jordán. "Comparative wood anatomy of Juniperus from Macaronesia." IAWA Journal 35, no. 2 (2014): 186–98. http://dx.doi.org/10.1163/22941932-00000059.

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The wood anatomy of the three species of Juniperus occurring in Macaronesia is compared for the first time using representative samples of each species collected in its natural region of provenance: J. cedrus Webb & Berthel and J. phoenicea L. var. canariensis Guyot, in the Canary Islands, and J. brevifolia (Seub.) Antoine, in the Azores. The three species are anatomically similar, although some qualitative differences were observed: distribution of axial parenchyma very scarce in J. phoenicea compared with the other two species, presence of crassulae only in J. phoenicea, presence of torus extensions and notches on pit borders in the radial walls of J. brevifolia, and ray parenchyma end walls slightly nodular in J. cedrus as opposed to very nodular in J. phoenicea and J. brevifolia. In addition, the biometry of tracheid pit diameter in the radial walls, ray height in number of cells, and largest and smallest diameters of cross-field pits shows differences for a significance level of 95%.
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Schulte, Paul J., and Arthur C. Gibson. "Hydraulic conductance and tracheid anatomy in six species of extant seed plants." Canadian Journal of Botany 66, no. 6 (June 1, 1988): 1073–79. http://dx.doi.org/10.1139/b88-153.

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Hydraulic conductance of tracheids was studied in either petioles or young stems of six species of seed plants having various types of intertracheid pitting. Measured conductances were compared with estimates based on Hagen–Poiseuille flow through ideal capillaries and with predictions from a biophysical model incorporating observed anatomical characteristics of tracheids and intertracheid pits. Conductance of the xylem, expressed as a percentage of the ideal capillary flow prediction, varied from an average of 88% for a species containing only very narrow tracheids to less than 35% for species with large-diameter tracheids. The biophysical model allowed fairly close predictions of conductance for all species except one, where an estimate of the pit membrane resistance could not be experimentally obtained. For individual tracheids, conductance was largely a function of lumen diameter, pit membrane resistivity, and the exposed area of the pit membranes, as determined by pit shape, size, and frequency. For wide tracheids, scalariform-pitted elements showed a linear increase in conductance with an increase in lumen diameter; however, for tracheids with large circular pits, the conductance increase afforded by a wider lumen declines as lumen diameter increases. These model simulations demonstrate the increasing significance of intertracheid pitting in obstructing flow as lumen diameter increases.
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Lazzarin, Martina, Alan Crivellaro, Cameron B. Williams, Todd E. Dawson, Giacomo Mozzi, and Tommaso Anfodillo. "TRACHEID AND PIT ANATOMY VARY IN TANDEM IN A TALL SEQUOIADENDRON GIGANTEUM TREE." IAWA Journal 37, no. 2 (July 7, 2016): 172–85. http://dx.doi.org/10.1163/22941932-20160129.

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Across land plants there is a general pattern of xylem conduit diameters widening towards the stem base thus reducing the accumulation of hydraulic resistance as plants grow taller.In conifers, xylem conduits consist of cells with closed end-walls and water must flow through bordered pits imbedded in the side walls. As a consequence both cell size, which determines the numbers of walls that the conductive stream of water must cross, as well as the characteristics of the pits themselves, crucially affect total hydraulic resistance. Because both conduit size and pit features influence hydraulic resistance in tandem, we hypothesized that features of both should vary predictably with one another. To test this prediction we sampled a single tall (94.8 m) Sequoiadendron giganteum tree (giant sequoia), collecting wood samples from the most recent annual ring progressively downwards from the tree top to the base. We measured tracheid diameter and length, number of pits per tracheid, and the areas of pit apertures, tori, and margos. Tracheid diameter widened from treetop to base following a power law with an exponent (tracheid diameterstem length slope) of approximately 0.20. A similar scaling exponent was found between tracheid length and distance from tree top. Additionally, pit aperture, torus, and margo areas all increased (again with a power of ~0.20) with distance from tree top, paralleling the observed variation in tracheid diameter and length. Pit density scaled isometrically with tracheid length. Within individual tracheids, total permeable area of pits, measured as the sum of the margo areas, scaled isometrically with lumen area. Given that pores of the margo membrane are believed to increase in parallel with membrane area, from a strictly anatomical perspective, our results support the interpretation that pit resistance remains a relatively constant fraction of total resistance along the hydraulic pathway.
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Luo, Junji, Rong Liu, Shuqin Zhang, Caiping Lian, Feng Yang, and Benhua Fei. "Comparative culm anatomy of metaxylem vessel pits in three different types of bamboo rhizome." IAWA Journal 41, no. 2 (May 12, 2020): 141–58. http://dx.doi.org/10.1163/22941932-00002110.

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Abstract Not only are vessel pits vital for the passage of sap into adjacent cells, but their anatomical morphology is also used as a tool to identify bamboo species. However, detailed studies comparing the pits’ structural parameters in culms of species with three rhizome types: sympodial bamboo, amphipodial bamboo, and monopodial bamboo, are lacking. Scanning electron microscopy (SEM) observations were conducted to obtain the qualitative and quantitative characteristics of vessel pits in sympodial, amphipodial and monopodial bamboos, from twelve bamboo species in eight genera. Sympodial bamboos possess small and ovoid bordered pits, whereas amphipodial bamboos contain an abundance of slit-like pits, with the greatest pit membrane length occurring in the vessel wall. Both minute and large pit sizes can be found in monopodial bamboos. This study identified the first compound pits ever to be found in a bamboo species and these were found to occur more frequently in amphipodial and monopodial bamboos than in sympodial bamboos. Using the distribution frequency of the pit chamber’s horizontal diameter, we were able to determine pit size as being either small, medium or large. The striking differences in the vessel pits’ qualitative and quantitative characteristics could be the result of different climate and environmental factors.
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Ayup, Mubarek, Ya-Ning Chen, Maina John Nyongesah, Yuan-Ming Zhang, Vishnu Dayal Rajput, and Cheng-Gang Zhu. "XYLEM ANATOMY AND HYDRAULIC TRAITS OF TWO CO-OCCURRING RIPARIAN DESERT PLANTS." IAWA Journal 36, no. 1 (March 18, 2015): 69–83. http://dx.doi.org/10.1163/22941932-00000086.

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Populus euphratica Oliv. and Tamarix ramosissima Ledeb. are the dominant riparian plants in desert ecosystems in China, where they play a significant role in maintaining ecological balance. To obtain a better insight into the ecological adaptations of xylem structure and hydraulic traits in desert phreatophytes to extremely drought-stressed environments, we investigated various quantitative features of the vessels and intervessel pits, as well as the xylem hydraulic efficiency (Ks(max)) and native embolism rate (PLC, %), in the woody shoots and lateral roots (all c. 2–4.5 mm in diameter) of P. euphratica and T. ramosissima from natural populations in the Heihe River Basin, northwestern China. The relationships between xylem anatomy and hydraulic traits are also discussed. There were significant anatomical differences between lateral root and woody shoot xylem within individual species. For lateral roots , arithmetic, hydraulic and maximum vessel diameter (D, Dh, Dmax), average vessel area (Va), intervessel wall thickness (Tvw), intervessel pit membrane and pit aperture areas (APM, APA), and intervessel pit membrane and pit aperture diameters (DPM, DPA), were larger than in woody shoots (P < 0.05).The mean Ks(max) values in lateral roots were 6–11 times greater than in woody shoots for P. euphratica and T. ramosissima, respectively (P < 0.01). Woody shoots of T. ramosissima had higher native PLC values (68%) than P. euphratica (39%).The different vessel grouping patterns in the two species seemed to be related to their different native embolism level. It is possible that the lateral roots of these two riparian desert plants could be more resistant to embolism than the woody shoots, and that cavitation resistance in the root xylem of T. ramosissima is higher than that of P. euphratica.
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de Pernía, Narcisana Espinoza, and José Luis Melandri. "Wood Anatomy of the Tribe Caesalpinieae (Leguminosae, Caesalpinioideae) in Venezuela." IAWA Journal 27, no. 1 (2006): 99–114. http://dx.doi.org/10.1163/22941932-90000140.

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We studied the microscopic wood anatomy of 8 genera and 30 species in the tribe Caesalpinieae, subfamily Caesalpinioideae, with a focus on the identification and comparative anatomy of these genera. Characters suitable for reliable identification include intervessel pit size, fibre wall thickness, septate fibres, storied structure, ray type, ray width, and silica bodies. A table of diagnostic characters, generic descriptions, and photomicrographs provide tools for identification and descriptive information for comparative and phylogenetic studies.
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Geerts, Albert, Luc Bouwens, and Eddie Wisse. "Ultrastructure and function of hepatic fat-storing and pit cells." Journal of Electron Microscopy Technique 14, no. 3 (March 1990): 247–56. http://dx.doi.org/10.1002/jemt.1060140306.

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Liang, Deng, and Pieter Baas. "The Wood Anatomy of the Theaceae." IAWA Journal 12, no. 3 (1991): 333–53. http://dx.doi.org/10.1163/22941932-90001258.

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A general wood anatomical description of the Theaceae is given on the basis of a previous study of species from China (Deng ' Baas 1990) and additional observations on genera and species outside China. The wood anatomy of Archboldiodendron, Balthasaria, Ficalhoa, Franklinia, Freziera, and Visnea are described separately. Although the Theaceae in the delimitation followed here (Table 1) are wood anatomically relatively homogeneous, the recognition of three subfamilies Camellioideae, Ternstroemioideae and Sladenioideae is supported by anatomical features (vessel grouping, bar number, type of vessel-ray pits, intervessel pit arrangement; cf. Table 4). The controversial position of Ficalhoa is discussed; its wood anatomy closely resembles that of the Camellioideae.
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Nakatani, Kazuki, Kenji Kaneda, Shuichi Seki, and Yuji Nakajima. "Pit cells as liver-associated natural killer cells: morphology and function." Medical Electron Microscopy 37, no. 1 (March 1, 2004): 29–36. http://dx.doi.org/10.1007/s00795-003-0229-9.

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Dissertations / Theses on the topic "Pit Anatomy"

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Lemaire, Cédric. "Etude structurelle et fonctionelle de la plasticité de la vulnérabilité à l'embolie chez le peuplier." Thesis, Université Clermont Auvergne‎ (2017-2020), 2019. http://www.theses.fr/2019CLFAC081.

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Les dépérissements forestiers causés par des sécheresses intenses mettent en lumière la vulnérabilité des forêts face aux changements climatiques. Les arbres sont en limite de dysfonctionnement hydraulique du fait d’une marge de sécurité hydraulique faible. Leur comportement dans un contexte de changement climatique dépendra donc, au moins en partie, de la variabilité phénotypique d’un paramètre clé dans la résistance à la sécheresse des arbres, la vulnérabilité du xylème à la cavitation. Des études précédentes ont montré que ce trait est soumis à plasticité phénotypique. L’objectif principal de cette thèse est d’évaluer l’impact de cette plasticité dans le fonctionnement hydraulique et d’en identifier les bases structurelles, un préalable à la recherche de déterminants génétiques sur ce trait.Des plants de peupliers ont été cultivés dans des conditions de croissance contrastées pour l’eau et la lumière dans le but d’induire de la plasticité sur la vulnérabilité à la cavitation. Des mesures réalisées sur différents traits fonctionnels indiquent que ce sont principalement des variations de surface foliaire et de résistance à la cavitation qui varient en réponse à une contrainte hydrique. Les simulations d’un modèle de fonctionnement hydraulique (SurEau) confirme l’importance de ces deux traits dans la réponse à la sécheresse, en particulier de la résistance à la cavitation. La recherche de déterminants structuraux de la plasticité pour ce trait a été conduite aux niveaux du xylème, des dimensions des vaisseaux et de l’ultrastructure des ponctuations, grâce à plusieurs techniques de microscopie (M.E.B., M.E.T., optique), et à la tomographie à rayons X. Les résultats montrent que l’acclimatation de la vulnérabilité à la cavitation repose sur un changement de l’organisation du xylème et des dimensions des vaisseaux, alors que la structuration des ponctuations reste constante. La microtomographie à rayons X permet de révéler l’importance de la connectivité entre vaisseaux pour améliorer la résistance à l’embolie. En outre, une plasticité pour ce trait est aussi observée sur des feuilles de peupliers ou sur des tiges de blé, appelant à la recherche de déterminants structuraux du xylème primaire, et plus généralement des espèces herbacées
Forest vulnerability against climate change is highlighted by the forest diebacks caused by intense droughts. Trees are functioning at their limit of hydraulic failure due to a little hydraulic safety margin. Their behaviour in a context of climate change is, at least partially, linked with phenotypic variability of a key parameter in drought resistance: the xylem vulnerability to cavitation. Previous studies have shown this trait to be under phenotypic plasticity. The main objective of this thesis is to study the consequences of this plasticity in the hydraulic functioning and to identify its structural basis, which is the priority for the search of the genetic determinants for this trait.Poplar saplings were cultivated under grown in contrasted water availability or light exposure in order to induce acclimation in cavitation resistance. The measurements of several functional traits reveal that the leaf area and the cavitation resistance vary the most as response of drought. Simulations using a model (SurEau) confirm the importance of these two traits in drought response, in particular for cavitation resistance. The search of structural determinants was conducted at three levels: xylem, vessel dimensions and pit ultrastructure using several microscopy techniques (S.E.M., T.E.M., optical) and X-ray microtomography. The results show that acclimation of vulnerability to cavitation relies on changes in xylem and vessel dimensions while pit structure remains constant. X-ray microtomography reveals the importance of connectivity between vessels to improve embolism resistance. Plasticity for this trait was also observed on poplar leaves and wheat stems. This calls for research of structural determinants for the primary xylem, and more generally for herbaceous species
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Chauvin, Thibaud. "Adaptation au changement climatique et potentiel évolutif du Douglas (Pseudotsuga menziesii Franco.) : rôle des traits hydrauliques, microdensitométriques et anatomiques du xylème." Thesis, Paris, Institut agronomique, vétérinaire et forestier de France, 2019. http://www.theses.fr/2019IAVF0003/document.

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Plusieurs dépérissements du début du XXe siècle ont montré que le Douglas français était vulnérable à la sécheresse. La question de savoir si les forêts de Douglas peuvent s'adapter au nouveau climat plus chaud et plus sec est une préoccupation majeure en France. Nous avons estimé la variation de la résistance à la cavitation d'un ensemble de provenances de Washington, de l'Oregon et de Californie dans deux expériences de jardins communs situées dans le sud de la France. Nous avons étudié les relations entre la résistance à la cavitation, la microdensité du xylème et l'anatomie du tronc et des branches. Nous avons constaté que la pression de sélection climatique dans la zone naturelle a façonné l'adaptation locale pour la résistance à la cavitation, la microdensité et l'anatomie des ponctuations du xylème. Les provenances de Californie intérieure tendent à être plus résistantes à la cavitation, avec une plus grande densité de bois d'été et des ponctuation plus sûres que les provenances de Californie côtière, puis de Washington et d'Oregon. Cependant, nous avons également constaté des variations importantes à l'intérieur d'une même région qui ne pouvaient pas être expliquées par les données climatiques disponibles. Nous avons trouvé différentes relations structure-fonctions, selon le niveau d'observation (arbre ou provenance) et la partie de l'arbre (tronc ou branche). Par exemple, au niveau individuel, les arbres les plus résistants à la cavitation ont des branches plus denses avec une ouverture de ponctuation plus petite, tandis qu'au niveau de la provenance, les arbres les plus résistants à la cavitation ont du bois moins dense dans le tronc et les branches, et des ponctuations plus sûrs. Dans l'ensemble, nous concluons qu'il existe un potentiel d'adaptation évolutive pour la résistance à la sécheresse du Douglas, disponible à différents niveaux, individuel et de provenance. Cependant, dans un contexte d'amélioration des arbres, le réseau complexe de relations entre la résistance à la cavitation, la microdensité et les traits anatomiques doit être soigneusement examiné afin d'éviter une éventuelle réponse corrélative défavorable à la sélection
Several turn-of-the-20th-century diebacks have shown that French Douglas-fir was vulnerable to drought. Whether the Douglas-fir forests can adapt to the new warmer and dryer climate is a key concern in France. We estimated variation of resistance to cavitation traits of a set of Washington, Oregon and Californian provenances in two common garden experiments located in the south of France. We studied the relationships between resistance to cavitation, xylem microdensity and pit anatomy in the trunk and branches. We found that climatic selection pressure in the natural area has shaped local adaptation for resistance to cavitation, microdensity and pit's anatomy. Inland California provenances tend to be significantly more cavitation resistant, with a denser latewood and safer pits than coastal Californian, then Washington and Oregon provenances. However, we also found significant within region variation that could not be explained by the available climatic data. We found different structure-functions relationships, according to the observation level (tree or provenance) and the tree part (trunk or branch). For example, at the individual level, the most cavitation-resistant trees have branches with denser latewood and smaller pit aperture, while at the provenance level, the most cavitation resistant provenances have less dense wood in both trunk and branches, and safer pits. Overall, we conclude that there is a potential for evolutionary adaptation for resistance to drought in Douglas-fir, available at different levels, individual and provenance. However, in a tree improvement context, the complex network of relationships among the resistance to cavitation, the microdensity and the anatomy traits should be carefully monitored in order to avoid possible unfavourable correlative response to selection
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Tickhill, Justin D. "The virtual pig head digital imaging in cephalic anatomy /." Ohio : Ohio University, 2007. http://www.ohiolink.edu/etd/view.cgi?ohiou1187634238.

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Tickhill, Justin David. "The Virtual Pig Head: Digital Imaging in Cephalic Anatomy." Ohio University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1187634238.

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McNamara, Diana L. "The anatomy of an environmental decision : the case of recycling." Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=228206.

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The human race has always faced environmental challenges. What differs at present, however, are the scale and entrenched social structures (e.g., capitalism, man/nature duality, a dominant social paradigm) that are contributing to these problems and our own irrationality when it comes to possible solutions. Implicit testing methodologies, borrowed from experimental psychology, may be able to bypass some of these issues and provide a means to identify simple 'point of decision' interventions to effect change in behavior on an individual level. The approach adopted in the current thesis was to explore the extent to which movement dynamics (measured using MouseTracker) can inform the decisional anatomy of an important pro-environmental activity — recycling. MouseTracker is a useful methodology as it assesses the real-time conflict that people experience when confronted with the decision to recycle a particular item or not. There were three stages to the progression of this research: (1) using focus groups to gain knowledge of undergraduates' beliefs and opinions towards recycling (Study 1); (2) assessing the utility of MouseTracker as an implicit tool to explore recycling decisions (Expts. 1 & 2); and (3) establishing the extent to which personal (i.e, Social Value Orientation) and situational factors (i.e., environmental primes) influence the anatomy of recycling decisions (Expts. 3-6). Results from the focus groups confirmed that university undergraduates hold widely held societal beliefs about recycling, thereby justifying their inclusion in the current investigation. Experiments 1 and 2 confirmed the utility of MouseTracker as a methodology to explore recycling decisions. Overall, participants displayed a stronger attraction to putting recyclable items in the rubbish bin than garbage in the recycle bin, a tendency that was reduced with increasing levels of environmental concern. Results in the subsequent experiments were mixed. An important individual difference variable (i.e., Social Value Orientation) failed to show an influence on recycling behavior (Expt. 3), and subtle environmental primes produced a collection of modest effects (Expts. 4 & 5). Most notably, a messy environment improved recycling performance (Expt. 5). Compelling results were observed, however, when self-directed attention was manipulated (Expt. 6). In particular, recycling performance was enhanced in the presence of a mirror, thereby confirming the relation between self-focus and normative behavior (the efficient disposal of waste). Discussion centers on the theoretical and practical implications of the current findings, limitations with the methodology employed, and consideration is given to future research on this important societal topic.
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Lipsos, Eleni. "Anatomy of a pin-up : a genealogy of sexualized femininity since the Industrial Age." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/14896.

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Pin-up images have played an important role in American culture, in both their illustrated and photographic configurations. The pin-up is viewed as a significant representational cultural artifact of idealistic and aspirational femininity and of consumerism and material wealth, especially reflective of the mid-twentieth century period in America spanning the 1930s to the 1960s. These images not only reflect great shifts in social mores and women’s social status, but also affected changes in both areas in turn. Furthermore, pin-up images internationally circulated in magazines, advertising and promotional material, contributed to the manner in which America was idealized in Europe and beyond. Crucially, they influenced how an eroticized and glamorous, yet unrealistic, example of femininity came to be generalized as a desirous model of femininity. In recent years there has been vital, though limited, scholarly research into the cultural and social impact of pin-up imagery, to which this thesis adds to. This thesis takes a genealogical approach, charting the development of popular female-centric “pin-up” imagery in America since the 1860s and up to the 1960s, and its resurgence since the 1980s onwards. In doing so this thesis aims to provide a social, political and cultural context to the emergence of a specific archetypal sexualized femininity, with the aim of challenging the tendency to dismiss sexualized imagery as “anti-feminist” or as trivial. Toward that end, I examine the complexity of intentions behind the production of “pin-up” images. In taking this revisionist approach I am better able to conclusively analyze the reasons for the resurgence and reappropriation of pin-up imagery in late-twentieth- and early-twenty-first-century popular culture, and consider what the gendered cultural implications may be.
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Robertson, J. M. Y. "On the evolution of pig-tailed macaque societies." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382296.

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Ditschun, Tanya Louise. "6-n-Propylthiouracil (PROP) taster status determination and its relation to tongue anatomy, food liking and intake /." Connect to Digital dissertations. Restricted to UC campuses. Access is free to UC campus dissertations, 2002. http://uclibs.org/PID/11984.

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Cott, A. M. "Anaerobically digested pig manure as a resource for crop production." Thesis, Bucks New University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371220.

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Jissendi, Tchofo Patrice. "Les dysplasies cérébelleuses : corrélations anatomo-fonctionnelles." Phd thesis, Université du Droit et de la Santé - Lille II, 2011. http://tel.archives-ouvertes.fr/tel-00635755.

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La dysplasie cérébelleuse est une anomalie du développement tissulaire intéressant principalement le cervelet et résultant en une anomalie focale ou diffuse de son architecture macroscopique et microscopique. Plusieurs travaux antérieurs ont bien documenté sa caractérisation morphologique à l'imagerie par résonance magnétique (IRM). Cependant, le retentissement de cette malformation, parfois associée à d'autres anomalies développementales du système nerveux central (SNC), sur le développement et le fonctionnement cognitifs est mal connu et peu documenté. Dans le but d'étudier les corrélations anatomo-fonctionnelles de cette pathologie constitutionnelle du cervelet, par le biais de l'approche des altérations neuropsychologiques, génétiques et, fonctionnelles associées, ainsi que par l'approche neuroanatomique, nous avons dirigé nos travaux dans quatre axes principaux et sur trois types de population distinctes. Le premier axe a concerné l'évaluation du profil neuropsychologique et du suivi chez dix enfants porteurs d'une dysplasie cérébelleuse isolée (DCI). Nous avons pu observer chez ces enfants une grande diversité de l'expression neuropsychologique de la DCI, depuis l'efficience normale jusqu'au retard mental sévère, sans corrélation avec le degré de dysplasie. D'autre part, au cours du suivi de ces enfants, nous avons observé une hétérogénéité d'évolution à caractère imprédictible, avec l'émergence des certaines fonctions dans l'axe du langage notamment. Le deuxième axe a porté sur l'investigation fonctionnelle du SNC par l'étude de la consommation cérébrale du fluorodeoxyglucose par Tomographie à émission de positons (TEP-FDG) chez six enfants porteurs d'une DCI. Les résultats ont montré, au sein du cervelet, un aspect normal dans les dysplasies mineures (limitées au vermis), un hypométabolisme des zones dysplasiques (corrélé à l'extension anatomique), et un isométabolisme au cortex dans les hétérotopies. Toutefois, ces anomalies de captation du glucose n'étaient pas corrélées au dysfonctionnement cognitif. Le troisième axe était d'approcher les corrélations génétiques, dans l'hypothèse d'un lien physiopathologique embryologique entre le cerveau et le cervelet, dans les dysplasies cérébelleuses associées (DCA) aux Lissencéphalies (cerveaux lisses). La caractérisation génétique relativement bien définie des Lissencéphalies nous a permis d'identifier des gènes de la migration neuronale et axonale (RELN et VLDRL) comme étant significativement associés aux dysplasies cérébelleuses, en dehors des dystrophies musculaires congénitales impliquant les gènes de la O-glycosylation. Le quatrième axe a été de rechercher chez des volontaires sains les marqueurs neuroanatomiques potentiels des altérations cognitives dans les dysplasies cérébelleuses, partant de l'hypothèse selon laquelle, une malformation isolée du cervelet induirait des anomalies anatomiques détectables en imagerie par tenseur de diffusion (DTI), sur les voies de projections cérébello-corticales, vraisemblablement impliquées dans la contribution du cervelet au développement et à l'exécution des fonctions supérieures. Ce travail nous a permis d'individualiser et de quantifier les projections cérébello-corticales préfrontales et pariétales chez tous les sujets sains. Ainsi, nos travaux nous ont permis: (i) de mieux établir les anomalies neuropsychologiques propres aux DCI et leur caractère hétérogène, tant au diagnostic qu'à l'évolution, (ii) de corréler la dysplasie cérébelleuse à des anomalies de la consommation cérébrale du glucose et par conséquent de son fonctionnement, (iii) de suggérer d'axer chez ces patients la recherche d'anomalies génétiques sous-jacentes vers les gènes impliqués dans la migration neuronale et axonale, et enfin, (iv) d'obtenir des marqueurs neuroanatomiques que nous pourrons appliquer aux patients pour étudier la possibilité de l'altération des vois de projections cérébello-corticales. De nombreuses perspectives d'imagerie avancée anatomique et fonctionnelle du SNC appliquées aux dysplasies cérébelleuses ont été ainsi ouvertes.
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Books on the topic "Pit Anatomy"

1

Schwabe, Alison. El pie del caballo. Barcelona: Hispano Europea, 2007.

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Gilbert, Stephen G. Pictorial anatomy of the fetal pig. 2nd ed. Seattle: University of Washington Press, 1987.

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Chiasson, Robert B. Laboratory anatomy of the fetal pig. Dubuque, IA: Wm. C. Brown Publishers, 1995.

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Chiasson, Robert B. Laboratory anatomy of the fetal pig. Dubuque, IA: Wm. C. Brown Publishers, 1997.

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C, Ober William, and Garrison Claire W, eds. Laboratory manual for anatomy & physiology: Pig version. 4th ed. San Francisco: Pearson Benjamin Cummings, 2010.

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F, Walker Warren, ed. Anatomy and dissection of the fetal pig. 4th ed. New York: W.H. Freeman, 1988.

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Kim, E. Edmund, Hyung-jun Im, Dong Soo Lee, and Keon Wook Kang. Atlas and Anatomy of PET/MRI, PET/CT and SPECT/CT. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28652-5.

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Dissection of the fetal pig. Burlington, N.C: Rex Educational Resources Co., 1985.

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Kitapci, Mehmet T. Atlas of Sectional Radiological Anatomy for PET/CT. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-1527-5.

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Human anatomy & physiology: Laboratory manual, fetal pig dissection. 2nd ed. Boston: McGraw Hill Higher Education, 2004.

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Book chapters on the topic "Pit Anatomy"

1

Hinrichsen, Klaus. "Relief of the Facial Region Until the Appearance of the Nasal Pit (Stages 12–15)." In Advances in Anatomy Embryology and Cell Biology, 6–21. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-70754-4_3.

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Nanni, Cristina, Stefano Fanti, and Lucia Zanoni. "Normal Anatomy." In Radiology for PET/CT Reporting, 1–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40294-4_1.

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Adams, Bradley J., and Pamela J. Crabtree. "Human vs Pig." In Comparative Skeletal Anatomy, 97–116. Totowa, NJ: Humana Press, 2008. http://dx.doi.org/10.1007/978-1-59745-132-1_6.

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Shetty, Pritham N., Jaideep Singh Chauhan, Mamatha Patil, Neha Aggarwal, and Dipesh Rao. "Cleft Lip." In Oral and Maxillofacial Surgery for the Clinician, 1593–631. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-1346-6_72.

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AbstractMany techniques exist at present for surgical repair of primary cleft lip. Since the introduction of Millard, most of the techniques are based on Millard’s Rotation advancement principle. However, every cleft surgeon aims to modify his/her technique to achieve optimum symmetry and function of the nose and lip. In this chapter, we have presented the principles of lip repair followed at our centre based on the very principles of Millard. We have also discussed embryology and anatomy from a surgical pint of view so as to understand the anatomic basis if cleft surgery.
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Boxt, Lawrence M., and Martin J. Lipton. "CT Anatomy of the Heart." In Cardiac PET and PET/CT Imaging, 94–109. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-38295-1_7.

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Kim, E. Edmund, Hyung-Jun Im, Dong Soo Lee, and Keon Wook Kang. "Atlas and Anatomy of PET/MR." In Atlas and Anatomy of PET/MRI, PET/CT and SPECT/CT, 1–197. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28652-5_1.

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Kim, E. Edmund, Hyung-Jun Im, Dong Soo Lee, and Keon Wook Kang. "Atlas and Anatomy of PET/CT." In Atlas and Anatomy of PET/MRI, PET/CT and SPECT/CT, 199–442. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28652-5_2.

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Kim, E. Edmund, Hyung-Jun Im, Dong Soo Lee, and Keon Wook Kang. "Atlas and Anatomy of SPECT/CT." In Atlas and Anatomy of PET/MRI, PET/CT and SPECT/CT, 443–588. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28652-5_3.

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Soper, Mark Edward. "Raspberry Pi System Anatomy." In Expanding Your Raspberry Pi, 1–15. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2922-4_1.

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Soper, Mark Edward. "GPIO Anatomy and Applications." In Expanding Your Raspberry Pi, 169–84. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2922-4_9.

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Conference papers on the topic "Pit Anatomy"

1

Wang, Huiqian, Jayaram K. Udupa, Dewey Odhner, Yubing Tong, Liming Zhao, and Drew A. Torigian. "Body-wide anatomy recognition in PET/CT images." In SPIE Medical Imaging, edited by Robert J. Webster and Ziv R. Yaniv. SPIE, 2015. http://dx.doi.org/10.1117/12.2082718.

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Nguyen, Van-Giang, and Soo-Jin Lee. "Anatomy-based PET image reconstruction using nonlocal regularization." In SPIE Medical Imaging, edited by Norbert J. Pelc, Robert M. Nishikawa, and Bruce R. Whiting. SPIE, 2012. http://dx.doi.org/10.1117/12.911690.

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Van-Giang Nguyen and Soo-Jin Lee. "Nonlocal-means approaches to anatomy-based PET image reconstruction." In 2010 IEEE Nuclear Science Symposium and Medical Imaging Conference (2010 NSS/MIC). IEEE, 2010. http://dx.doi.org/10.1109/nssmic.2010.5874410.

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Lu, Lijun, Jianhua Ma, Jing Tang, Qianjin Feng, Arman Rahmim, and Wufan Chen. "Anatomy-guided brain PET imaging incorporating a joint prior model." In 2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI 2014). IEEE, 2014. http://dx.doi.org/10.1109/isbi.2014.6868031.

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Deng, Wei, Xinhui Wang, Bao Yang, and Jing Tang. "Anatomy-assisted direct parametric PET imaging for myocardial blood flow abnormality detection." In 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). IEEE, 2015. http://dx.doi.org/10.1109/nssmic.2015.7582181.

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Kahng, Andrew B., Lutong Wang, and Bangqi Xu. "The Tao of PAO: Anatomy of a Pin Access Oracle for Detailed Routing." In 2020 57th ACM/IEEE Design Automation Conference (DAC). IEEE, 2020. http://dx.doi.org/10.1109/dac18072.2020.9218532.

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Turco, A., J. Duchenne, J. Nuyts, O. Gheysens, J. U. Voigt, P. Claus, and K. Vunckx. "Validation of anatomy-enhanced cardiac FDG-PET imaging: An ex vivo sheep study." In 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). IEEE, 2014. http://dx.doi.org/10.1109/nssmic.2014.7430764.

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Jing Tang and A. Rahmim. "Anatomy assisted MAP-EM PET image reconstruction incorporating joint entropies of wavelet subband image pairs." In 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC 2009). IEEE, 2009. http://dx.doi.org/10.1109/nssmic.2009.5401877.

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Kim, Kyungsang, Jaewon Yang, Georges El Fakhri, Youngho Seo, and Quanzheng Li. "Penalized MLAA with spatially-encoded anatomic prior in TOF PET/MR." In 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD). IEEE, 2016. http://dx.doi.org/10.1109/nssmic.2016.8069514.

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Jing Tang, Benjamin M. W. Tsui, and Arman Rahmim. "Bayesian PET image reconstruction incorporating anato-functional joint entropy." In 2008 5th IEEE International Symposium on Biomedical Imaging (ISBI 2008). IEEE, 2008. http://dx.doi.org/10.1109/isbi.2008.4541178.

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