Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere Vol 1
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Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere Vol 1
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Author : F. Keibel
language : de
Publisher: Forgotten Books
Release Date : 2018-02-23
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere Vol 1 written by F. Keibel and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-23 with Science categories.
Excerpt from Normentafeln zur Entwicklungsgeschichte der Wirbelthiere, Vol. 1: Normentafel zur Entwicklungsgeschichte des Schweines (Sus Scrofa Domesticus) Von diesem allseitigen Aufschwung der entwicklungsgeschichtlichen Forschung ist nun ohne Zweifel auch fur die Zukunft eine wesentliche Frderung der Entwicklungsgeschichte und vor allem der vergleichen den Entwicklungsgeschichte zu erhoffen, und weiter ein Zusammenarbeiten und eine Vergleichung der Kenntnisse, welche uns die Entwicklungsgeschichte lehrt, mit den Ergebnissen der vergleichenden Anatomie und der Palontologie. Doch drfen wir uns nicht verhehlen, dass dem eben angedeuteten Ziele sich be deutende Hindernisse in den Weg stellen, und diese Hindernisse zu beleuchten und zu einem Theile wenigstens zu ihrer Beseitigung mit beizutragen, ist die Absicht dieser Zeilen. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere
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Author : Franz Keibel
language : de
Publisher:
Release Date : 1897
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere written by Franz Keibel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with categories.
The Process Of Animal Domestication
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Author : Marcelo Sánchez-Villagra
language : en
Publisher: Princeton University Press
Release Date : 2022-01-18
The Process Of Animal Domestication written by Marcelo Sánchez-Villagra and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-18 with Science categories.
The first modern scholarly synthesis of animal domestication Across the globe and at different times in the past millennia, the evolutionary history of domesticated animals has been greatly affected by the myriad, complex, and diverse interactions humans have had with the animals closest to them. The Process of Animal Domestication presents a broad synthesis of this subject, from the rich biology behind the initial stages of domestication to how the creation of breeds reflects cultural and societal transformations that have impacted the biosphere. Marcelo Sánchez-Villagra draws from a wide range of fields, including evolutionary biology, zooarchaeology, ethnology, genetics, developmental biology, and evolutionary morphology to provide a fresh perspective to this classic topic. Relying on various conceptual and technical tools, he examines the natural history of phenotypes and their developmental origins. He presents case studies involving mammals, birds, fish, and insect species, and he highlights the importance of domestication for the comprehension of evolution, anatomy, ontogeny, and dozens of fundamental biological processes. Bringing together the most current developments, The Process of Animal Domestication will interest a wide range of readers, from evolutionary biologists, developmental biologists, and geneticists to anthropologists and archaeologists.
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere
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Author : Franz Keibel
language : de
Publisher:
Release Date : 1897
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere written by Franz Keibel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with categories.
Comparative Maternal And Epidemiologic Aspects
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Author : James Wilson
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Comparative Maternal And Epidemiologic Aspects written by James Wilson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
Modification of embryonic development by genetic differences in the mother is a well-regcognized phemomenon, but little is known about the genet ics of these maternal traits or the mechanisms by which they act. To illustrate the genetic approach to the problem, examples are given of how differences in embryonic response to a teratogen can be partitioned into those resulting from differences in embryonic genotype (including the possible role of X-linked genes in producing reciprocal cross differences), maternal genotype, and cytoplasmically transmitted factors. The advantages and limitations of analysis by appropriate crosses, in utero treatments, embryo transfers, and in vitro experiments are illustrated. The numerous inbred strains of the mouse, with well-documented physiology, the recently developed recombinant inbred strains, and the existence of easily identified biochemical marker genes offer at tractive opportunities, so far largely unexploited, for causal analysis of mater nal effects on teratological responses. VII. ADDENDUM Since this chapter was written, several relevant papers have appeared. The strain difference between AI] and C57BU6] mice in frequency of cleft-palate response to cortisone was fitted to a model of normally distributed log tolerance (Biddle and Fraser, 1976). Genetic differences, both in maternal uterine environment and embryonic response, can be represented in terms of their effect on the median effective dose required for the cleft-palate re sponse. The maternal effect of AI] dams relative to C57BU6] dams caused a two-fold reduction in embryonic tolerance to cortisone-induced cleft palate.
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere
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Author : Franz Keibel
language : de
Publisher:
Release Date : 1897
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere written by Franz Keibel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with Embryology categories.
Normentafeln Zur Entwicklungsgeschichte Der Wirbeltiere
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Author :
language : de
Publisher:
Release Date : 1897
Normentafeln Zur Entwicklungsgeschichte Der Wirbeltiere written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with Embryology categories.
Biology Of Sharks And Their Relatives
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Author : Jeffrey C. Carrier
language : en
Publisher: CRC Press
Release Date : 2022-06-08
Biology Of Sharks And Their Relatives written by Jeffrey C. Carrier and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-08 with Nature categories.
Biology of Sharks and Their Relatives is an award-winning and groundbreaking exploration of the fundamental elements of the taxonomy, systematics, physiology, and ecology of sharks, skates, rays, and chimera. This edition presents current research as well as traditional models, to provide future researchers with solid historical foundations in shark research as well as presenting current trends from which to develop new frontiers in their own work. Traditional areas of study such as age and growth, reproduction, taxonomy and systematics, sensory biology, and ecology are updated with contemporary research that incorporates emerging techniques including molecular genetics, exploratory techniques in artificial insemination, and the rapidly expanding fields of satellite tracking, remote sensing, accelerometry, and imaging. With two new editors and 90 contributors from the US, UK, South Africa, Portugal, France, Canada, New Zealand, Australia, India, Palau, United Arab Emirates, Micronesia, Sweden, Argentina, Indonesia, Cameroon, and the Netherlands, this third edition is the most global and comprehensive yet. It adds six new chapters representing extensive studies of health, stress, disease and pathology, and social structure, and continues to explore elasmobranch ecological roles and interactions with their habitats. The book concludes with a comprehensive review of conservation policies, management, and strategies, as well as consideration of the potential effects of impending climate change. Presenting cohesive and integrated coverage of key topics and discussing technological advances used in modern shark research, this revised edition offers a well-rounded picture for students and researchers.
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere
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Author : Franz Keibel
language : de
Publisher:
Release Date : 1908
Normentafeln Zur Entwicklungsgeschichte Der Wirbelthiere written by Franz Keibel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1908 with Anatomy, Comparative categories.
Metamorphosis
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Author : Lawrence Gilbert
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Metamorphosis written by Lawrence Gilbert and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
"The old order changeth, yielding place to new. " When Tennyson wrote this, he was unfamiliar with the pace of modem science else he would have said the new is displaced by the newer. When Gilbert and I gathered the papers for the first edition of this overview of metamorphosis, we aimed to provide a broad basis upon which the experimental analysis of the developmental changes called metamorphosis could proceed. We were both aware then that with the new techniques of biochemistry and with the revolutionary breakthrough to the nature of the gene, countless new possibilities were being opened for the exploration of the molecular basis of development. The resources offered by metamorphic changes offered unique opportunities to trace the path from gene to phenotype. Our expectations were high. I visited Larry Gilbert and Earl Frieden in their laboratories and saw with envy how far advanced they were then in the use of molecular methods of analysis. I had started on a different approach to develop an in vitro test for thyroid action on amphibian tissue. But circumstances limited my own progress to the initial delim itation of the technical possibilities of the in vitro system. Only from the sidelines could I watch the steady if slow progress of biology in penetrating the maze of molecular events by which animal tissues re spond to hormonal and other developmental factors.