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Dimorphisme Sexuel De La Mandibule Et Analyse Morphometrique A Partir Dexamens Tomodensitometriques
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Book Synopsis Dimorphisme sexuel de la mandibule et analyse morphométrique à partir d'examens tomodensitométriques by : Leonor Costa Mendes
Download or read book Dimorphisme sexuel de la mandibule et analyse morphométrique à partir d'examens tomodensitométriques written by Leonor Costa Mendes and published by . This book was released on 2022 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: La mandibule est un os du massif facial aux caractères dimorphiques très marqués, pouvant être employé dans l'estimation du sexe d'un individu. Étant le seul os mobile de l'extrémité céphalique, elle peut être séparée du crâne dans des contextes archéologiques ou médico-légaux. Par ailleurs, il s'agit d'un os soumis à des phénomènes de remodelage osseux de par la perte dentaire et les contraintes mécaniques qu'il subit au cours de la fonction masticatoire. L'objectif de ce travail était, d'une part, d'améliorer la performance des techniques d'estimation sexuelle à partir de la mandibule et, d'autre part, d'avoir une meilleure compréhension des changements morphologiques que subit cette structure au cours du vieillissement. Dans un premier temps, nous avons étudié le rôle de la mandibule dans le dimorphisme sexuel de l'extrémité céphalique. Des méthodes métriques et morpho géométriques, basées sur le positionnement informatique de landmarks, ont été employées sur 120 examens tomodensitométriques d'individus âgés de 23 à 84 ans. Nos résultats ont montré que la morphométrie géométrique offre une précision de diagnose sexuelle supérieure à la méthode métrique traditionnelle. Par ailleurs, le crâne présente une plus grande précision d'estimation sexuelle que la mandibule, quelle que soit la méthode d'analyse employée. Enfin, le taux de prédiction correcte du modèle mandibulaire s'améliore à partir de 40 ans. Dans un deuxième temps, nous avons analysé l'effet du vieillissement et de la perte dentaire sur la conformation mandibulaire, ainsi que l'impact de ces changements morphologiques sur l'identification du sexe d'un individu. 14 landmarks mandibulaires ont été placés sur 160 examens tomodensitométriques de sujets âgés de 40 à 79 ans. Nos analyses par morphométrie géométrique montrent que le dimorphisme sexuel mandibulaire demeure significatif avec le vieillissement et que les changements de conformation mandibulaire débutent à 50 ans. En revanche, la sénescence affecte différemment les individus masculins et féminins : le processus semble être plus précoce, plus rapide et plus accentué chez la femme, et les changements de conformation touchent des zones différentes selon le sexe. Par ailleurs, l'édentement, en particulier la perte de calage dentaire, entraîne des modifications de conformation différentes entre hommes et femmes. Il tend ainsi à estomper le dimorphisme sexuel de taille et à accentuer le dimorphisme sexuel de conformation.
Book Synopsis Dimorphisme sexuel de la mandibule by : Gabrielle Crenn-Vallade
Download or read book Dimorphisme sexuel de la mandibule written by Gabrielle Crenn-Vallade and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectif : Analyser le dimorphisme sexuel de la mandibule au travers d'une analyse métrique et par morphométrie géométrique afin de fournir un substratum anatomique aux interventions déjà existantes de féminisation du tiers inférieur de la face. Matériel et méthodes : L'étude a été réalisée à partir des reconstructions tridimensionnelles de 60 TDM d'individus adultes (30 hommes et 30 femmes), sur lesquelles étaient mesurés huit paramètres linéaires et un angle. Une analyse par morphométrie géométrique était réalisée selon la méthode de superposition procruste, à partir de 354 landmarks et semilandmarks positionnés sur la face interne et externe de la mandibule. Résultats : La largeur de la symphyse était plus importante chez l'homme mais de manière non significative, la hauteur de la symphyse était significativement plus élevée chez l'homme (p
Book Synopsis Juvenile Osteology by : Louise Scheuer
Download or read book Juvenile Osteology written by Louise Scheuer and published by Academic Press. This book was released on 2010-07-28 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for a laboratory and field manual to assist with the evaluation of juvenile skeletal material is long overdue. This resource is essential for the practising osteoarchaeologist and forensic anthropologist who requires a quick, reliable and easy-to-use reference to aid in the identification, siding and aging of juvenile osseous material. While excellent reference books on juvenile osteology are currently available, no pre-existing source adequately fills this particular niche in the market. This field manual is designed with practicality as its primary directive. Descriptions of each bone contain 1) morphological characteristics useful for identification, 2) other elements with which the bone may be confused, 2) tips for siding, 3) illustrations of varying developmental phases, 4) data useful for ageing, and 5) a summary of developmental timings. Concise, bullet-style descriptions assist with quick retrieval of information.Unique to this manual is the presentation of data collected from a variety of populations, utilizing a range of observational methods, as an alternative to providing one overall aging summary that is derived from a compilation of many individual sources. This manual provides a host of data on a variety of populations to enable the user to select the reference most applicable to their needs. The final chapter combines information from each bone to provide a summary of developmental changes occurring at different life stages to act as an immediate 'ready reckoner' for the knowledgeable practitioner. It also provides forms useful for documenting juvenile material and diagrams to help with the recognition of commingled juvenile remains. The manual is a must for anyone responsible for the evaluation of juvenile osseous material through dry bone assessment, radiographs, sonograms, and or CT scans. Identifies every component of the developing skeleton Provides detailed analysis of juvenile skeletal remains and the development of bone as a tissue Summarizes key morphological stages in the development of every bone Provides data on a variety of populations to enable the user to select the reference most applicable to their needs Focuses on practicality, with direct, bullet style descriptions Provides forms for documenting juvenile material Provides diagrams to help with the recognition of commingled juvenile remains Final chapter provides summary of developmental changes occurring at different life stages to act as an immediate 'ready reckoner' for the practitioner
Book Synopsis The Cambridge Encyclopedia of Human Growth and Development by : Stanley J. Ulijaszek
Download or read book The Cambridge Encyclopedia of Human Growth and Development written by Stanley J. Ulijaszek and published by Cambridge University Press. This book was released on 1998-08-13 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and accessible summary of human growth and development for students and professionals alike.
Book Synopsis The Archaeology of Human Bones by : Simon Mays
Download or read book The Archaeology of Human Bones written by Simon Mays and published by Routledge. This book was released on 2002-06 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to provide an introduction to what can be learnt from the scientific study of human skeletal remains from archaeological sites.
Book Synopsis Forensic Art and Illustration by : Karen T. Taylor
Download or read book Forensic Art and Illustration written by Karen T. Taylor and published by CRC Press. This book was released on 2000-09-15 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the number of stranger-on-stranger crimes increases, solving these crimes becomes more challenging. Forensic illustration has become increasingly important as a tool in identifying both perpetrators and victims. Now a leading forensic artist, who has taught this subject at law enforcement academies, schools, and universities internationally, off
Book Synopsis Bernard G. Sarnat by : Pete E. Lestrel
Download or read book Bernard G. Sarnat written by Pete E. Lestrel and published by World Scientific. This book was released on 2008 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a biography of Bernard G Sarnat, SB, MD, MS, DDS, FACS, a remarkable man who lived for most of the 20th century. Born in 1912 in the USA, he was the son of immigrant parents from Belarus, a former republic of the USSR. He received his MD degree from the University of Chicago, and his MS and DDS degrees from the University of Illinois. Dr Sarnat was a practitioner in the formative years of modern plastic surgery as well as an internationally known biological researcher in the area of craniofacial biology. He was one of the first bone researchers to apply the stain alizarin red S to document the pattern of dental and bone growth, and has published over 220 research papers dealing with bone and teeth biology.Bernard G Sarnat: 20th Century Plastic Surgeon and Biological Scientist is the story of not only a successful physician-scientist, but also a warm and caring individual who is dedicated to his family, as revealed by the many personal details in this biography. Thus, this biography is intended not just for researchers in the biology of bone and teeth, but also for medical and dental students as well the general reader interested in science and medicine.
Book Synopsis Skeletal Variation and Adaptation in Europeans by : Christopher B. Ruff
Download or read book Skeletal Variation and Adaptation in Europeans written by Christopher B. Ruff and published by John Wiley & Sons. This book was released on 2018-03-27 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive analysis of changes in body form and skeletal robusticity from the Terminal Pleistocene through the Holocene, leading to the modern European human phenotype. Skeletal Variation and Adaptation in Europeans: Upper Paleolithic to the Twentieth Century brings together for the first time the results of an unprecedented large-scale investigation of European skeletal remains. The study was conducted over ten years by an international research team, and includes more than 2,000 skeletons spanning most of the European continent over the past 30,000 years, from the Early Upper Paleolithic to the 20th century. This time span includes environmental transitions from foraging to food production, small-scale to large-scale urban settlements, increasing social stratification and mechanization of labor, and climatic changes. Alterations in body form and behavior in response to these transitions are reconstructed through osteometric and biomechanical analyses. Divided into four sections, the book includes an introduction to the project and comprehensive descriptions of the methods used; general continent-wide syntheses of major trends in body size, shape, and skeletal robusticity; detailed regional analyses; and a summary of results. It also offers a full data set on an external website. Brings together data from an unprecedented large-scale study of human skeletal and anatomical variations Includes appendix of specific information from each research site Synthesizes data from spatial, temporal, regional, and geographical perspectives Skeletal Variation and Adaptation in Europeans will be a valuable resource for bioarchaeologists, palaeoanthropologists, forensic anthropologists, medical historians, and archaeologists at both the graduate and post-graduate level.
Book Synopsis Fossils, Teeth, and Sex by : Charles E. Oxnard
Download or read book Fossils, Teeth, and Sex written by Charles E. Oxnard and published by Hong Kong University Press. This book was released on 1987 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Anthropometry of the Head and Face by : Leslie G. Farkas
Download or read book Anthropometry of the Head and Face written by Leslie G. Farkas and published by Lippincott Williams & Wilkins. This book was released on 1994 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Society for the Study of Human Biology. Symposium Publisher :Taylor & Francis Group ISBN 13 : Total Pages :394 pages Book Rating :4.3/5 (91 download)
Book Synopsis Human Sexual Dimorphism by : Society for the Study of Human Biology. Symposium
Download or read book Human Sexual Dimorphism written by Society for the Study of Human Biology. Symposium and published by Taylor & Francis Group. This book was released on 1985 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sex Estimation of the Human Skeleton by : Alexandra R. Klales
Download or read book Sex Estimation of the Human Skeleton written by Alexandra R. Klales and published by Academic Press. This book was released on 2020-05-30 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sex Estimation of the Human Skeleton is a comprehensive work on the theory, methods, and current issues for sexing human skeletal remains. This work provides practitioners a starting point for research and practice on sex estimation to assist with the identification and analysis of human remains. It contains a collection of the latest scientific research, using metric and morphological methods, and contains case studies, where relevant, to highlight methodological application to real cases. This volume presents a truly comprehensive representation of the current state of sex estimation while also detailing the history and how we got to this point. Divided into three main sections, this reference text first provides an introduction to the book and to sex estimation overall, including a history, practitioner preferences, and a deeper understanding of biological sex. The second section addresses the main methodological areas used to estimate sex, including metric and morphological methods, statistical applications, and software. Each chapter topic provides a review of older techniques and emphasizes the latest research and methodological improvements. Chapters are written by practicing physical anthropologists and also include their latest research on the topics, as well as relevant case studies. The third section addresses current considerations and future directions for sex estimation in forensic and bioarchaeological contexts, including DNA, secular change, and medical imaging Sex Estimation of the Human Skeleton is a one-of-a-kind resource for those involved in estimating the sex of human skeletal remains. Provides the first comprehensive text reference on sex estimation, with historical perspectives and current best practices Contains real case studies to underscore key estimation concepts Demonstrates the changing role of technology in sex estimation
Book Synopsis The Mandibles of "Sinanthropus Pekinensis" by : Franz Weidenreich
Download or read book The Mandibles of "Sinanthropus Pekinensis" written by Franz Weidenreich and published by . This book was released on 1938 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Invariant Approach to Statistical Analysis of Shapes by : Subhash R. Lele
Download or read book An Invariant Approach to Statistical Analysis of Shapes written by Subhash R. Lele and published by Chapman and Hall/CRC. This book was released on 2001-01-19 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural scientists perceive and classify organisms primarily on the basis of their appearance and structure- their form , defined as that characteristic remaining invariant after translation, rotation, and possibly reflection of the object. The quantitative study of form and form change comprises the field of morphometrics. For morphometrics to succeed, it needs techniques that not only satisfy mathematical and statistical rigor but also attend to the scientific issues. An Invariant Approach to the Statistical Analysis of Shapes results from a long and fruitful collaboration between a mathematical statistician and a biologist. Together they have developed a methodology that addresses the importance of scientific relevance, biological variability, and invariance of the statistical and scientific inferences with respect to the arbitrary choice of the coordinate system. They present the history and foundations of morphometrics, discuss the various kinds of data used in the analysis of form, and provide justification for choosing landmark coordinates as a preferred data type. They describe the statistical models used to represent intra-population variability of landmark data and show that arbitrary translation, rotation, and reflection of the objects introduce infinitely many nuisance parameters. The most fundamental part of morphometrics-comparison of forms-receives in-depth treatment, as does the study of growth and growth patterns, classification, clustering, and asymmetry. Morphometrics has only recently begun to consider the invariance principle and its implications for the study of biological form. With the advantage of dual perspectives, An Invariant Approach to the Statistical Analysis of Shapes stands as a unique and important work that brings a decade's worth of innovative methods, observations, and insights to an audience of both statisticians and biologists.
Book Synopsis Forensic Analysis of the Skull by : Mehmet Yasar Iscan
Download or read book Forensic Analysis of the Skull written by Mehmet Yasar Iscan and published by Wiley-Liss. This book was released on 1993-11-08 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This engrossing book offers detailed coverage of forensic implications and methods of craniofacial identification. Race, sex and age morphology are explored along with video superimposition and computer imaging techniques. Several case studies are also included.
Book Synopsis Graphics Interface 2001 by : Torsten Möller
Download or read book Graphics Interface 2001 written by Torsten Möller and published by A K Peters/CRC Press. This book was released on 2001-06-04 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graphics Interface Proceedings is a collection of the papers presented at the annual gathering of the Canadian Human-Computer Communications Society. Graphics Interface is the Canadian annual conference devoted to computer graphics, interactive systems, and human-computer interaction. It is the oldest regularly scheduled computer graphics and human-computer interaction conference; the first conference was held in 1969.
Book Synopsis Basic Readings on the Identification of Human Skeletons by : T D Stewart
Download or read book Basic Readings on the Identification of Human Skeletons written by T D Stewart and published by Hassell Street Press. This book was released on 2021-09-09 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
