Contribution à l'étude du canal mandibulaire et de ses foramina chez l'homme actuel, les grands singes et les hominidés fossiles PDF Download
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Author: Rémi Curien
Publisher:
ISBN:
Category :
Languages : fr
Pages : 652
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Book Description
Author: Rémi Curien
Publisher:
ISBN:
Category :
Languages : fr
Pages : 652
Get Book Here
Book Description
Author: Rémi Curien
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
La mandibule est constituée d'unités distinctes intégrées autour d'un tuteur, le nerf alvéolaire inférieur dont l'artefact osseux est le canal mandibulaire. Une étude de la variabilité, de l'évolution et du développement de la mandibule chez les hominidés est donc menée selon une méthodologie distinguant les unités mandibulaires tout en les articulant autour du canal mandibulaire.L'étude porte sur 453 mandibules, représentant les genres actuels Homo, Pan, et Gorilla ainsi que certaines espèces fossiles de la lignée humaine. Les mesures sont effectuées numériquement sur des photographies sagittales standardisées de mandibules. Le protocole a été validé statistiquement. La variabilité globale chez les hominidés, le développement puis la variabilité interspécifique sont analysés.La méthodologie employée procure un gain d'acuité sur le développement mandibulaire et en permet la modélisation. La mandibule subit non pas une évolution globale, mais en mosaïque. Notre méthode permet de distinguer une mandibule antérieure et une mandibule postérieure reliées par l'axe neural. Notre travail confirme le rôle primordial de l'axe neural dans la variabilité mandibulaire. Ses implications phylogénétiques, adaptationnelles et développementales sont envisagées.
Author: Michel Sakka
Publisher: FeniXX
ISBN: 2271103126
Category : Science
Languages : fr
Pages : 402
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Book Description
Étude anatomo-fonctionnelle comparée des muscles de la nuque et du dos chez l'Homme actuel et les Pongidés (Gorille, Orang-Outang et Chimpanzé). Elle met en évidence des muscles mal connus ayant pourtant une grande importance fonctionnelle, anthropobiologique et paléontologique. «Copyright Electre»
Author: Peter F. MacNeilage
Publisher: Oxford University Press
ISBN: 0199581584
Category : Language Arts & Disciplines
Languages : en
Pages : 402
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Book Description
This book explores the origin and evolution of speech. The human speech system is in a league of its own in the animal kingdom and its possession dwarfs most other evolutionary achievements. During every second of speech we unconsciously use about 225 distinct muscle actions. To investigate the evolutionary origins of this prodigious ability, Peter MacNeilage draws on work in linguistics, cognitive science, evolutionary biology, and animal behavior. He puts forward a neo-Darwinian account of speech as a process of descent in which ancestral vocal capabilities became modified in response to natural selection pressures for more efficient communication. His proposals include the crucial observation that present-day infants learning to produce speech reveal constraints that were acting on our ancestors as they invented new words long ago. This important and original investigation integrates the latest research on modern speech capabilities, their acquisition, and their neurobiology, including the issues surrounding the cerebral hemispheric specialization for speech. Written in a clear style with minimal recourse to jargon the book will interest a wide range of readers in cognitive, neuro-, and evolutionary science, as well as all those seeking to understand the nature and evolution of speech and human communication.
Author: Keith L. Moore
Publisher:
ISBN:
Category : Sex Chromatin
Languages : en
Pages : 504
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Author: Bernard Wood
Publisher: John Wiley & Sons
ISBN: 1444342479
Category : Science
Languages : es
Pages : 1473
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Book Description
This comprehensive A to Z encyclopedia provides extensive coverage of important scientific terms related to improving our understanding of how we evolved. Specifically, the 5,000 entries in this two-volume set cover evidence and methods used to investigate the relationships among the living great apes, evidence about what makes the behavior of modern humans distinctive, and evidence about the evolutionary history of that distinctiveness, as well as information about modern methods used to trace the recent evolutionary history of modern human populations. This text provides a resource for everyone studying the emergence of Homo sapiens. Visit the companion site www.woodhumanevolution.com to browse additional references and updates from this comprehensive encyclopedia.
Author: Tao C. Hsu
Publisher: Springer Science & Business Media
ISBN: 1461564220
Category : Science
Languages : en
Pages : 118
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Book Description
In recent years, because of advances in karyological techniques, we have witnessed a remarkable renewal of interest in studies of mammalian chromosomes. These techniques, generally involving the use of tissue culture, colchicine and hypotonic solution pretreatments, allow for a much clearer display of metaphase chromosomes of mammalian cells than the classic direct squash or tissue section methods. Consequently, what was known about the chromosome complement of most mammals must be revised. The most astonishing revision, of course, was that made by Tjio and Levan in 1956, who demonstrated that the diploid number of man is 46, not 48 as previously believed. Similar revisions will have to be made for many other mammalian species, either in number or in karyotype structure. Many animals are being examined cytologically for the first time. The findings are now extensive and scattered; they appear in numer ous periodicals and newsletters, or they are kept in cytologists' file drawers without being published. It is difficult to have access to perti nent data for comparison among related species or for evaluation of various karyological characteristics within a karyotype. Such evaluations can be done only when reasonably uniform material is collected and placed side by side for comparison, accompanied by relative references. We considered that probably an Atlas of Mammalian Chromosomes would fulfill such a need. Needless to say, it is impossible to present karyotypes of all mam malian species at one time.
Author: Michael L. Arnold
Publisher: Oxford University Press
ISBN: 0199539588
Category : Language Arts & Disciplines
Languages : en
Pages : 246
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Book Description
This book describes the important role that the transfer of genes between organisms has played during the origin and evolution of humans, and the evolution of organisms on which the human species depends for shelter, sustenance and companionship.
Author: W. Henry Gilbert
Publisher: Univ of California Press
ISBN: 052093377X
Category : Social Science
Languages : en
Pages : 481
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Book Description
This volume, the first in a series devoted to the paleoanthropological resources of the Middle Awash Valley of Ethiopia, studies Homo erectus, a close relative of Homo sapiens. Written by a team of highly regarded scholars, this book provides the first detailed descriptions, photographs, and analysis of the fossil vertebrates—from elephants and hyenas to humans—from the Daka Member of the Bouri Formation of the Afar, a place renowned for an abundant and lengthy record of human ancestors. These fossils contribute to our understanding human evolution, and the associated fauna provide new information about the distribution and variability of Pleistocene mammals in eastern Africa. The contributors are all active researchers who worked on the paleontology and geology of these unique deposits. Here they have combined their disparate efforts into a single volume, making the original research results accessible to both the specialist and the general reader. The volume synthesizes environmental backdrop and anatomical detail to open an unparalleled window on the African Pleistocene and its inhabitants.
Author: Ben Rothblatt
Publisher:
ISBN: 9780226729060
Category : Philosophy
Languages : en
Pages : 298
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Book Description
