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Author :
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (31 download)
Download or read book Normentafeln Zur Entwicklungsgeschichte Der Wirbeltiere written by and published by . This book was released on 1900 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F. Keibel
Publisher : Forgotten Books
ISBN 13 : 9780656215058
Total Pages : 50 pages
Book Rating : 4.2/5 (15 download)
Download or read book Normentafeln Zur Entwicklungsgeschichte Der Wirbeltiere, Vol. 10 written by F. Keibel and published by Forgotten Books. This book was released on 2018-02-10 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Normentafeln Zur Entwicklungsgeschichte Der Wirbeltiere, Vol. 10: Normal Plates of the Development of Lepidosiren Paradoxa and Protopterus Annectens Conspicuous features in these stages are the cement organ a crescentic structure on the ventral side and the external gill rudiments situated on visceral arches III - VI. About stage 23 in Lepidosiren a vascular network is seen over the surface of the yolk, its cavities filled with colourless blood there being for some time after its appearance no haemoglobin present. About the time of hatching (stage 27) the larva has a somewhat tadpole-like shape the hinder tail ]ike region of the trunk being flexed ventrally. In Protopterus a larger proportion of the yolk is con centrated in the anterior swollen part which as a consequence bulges more prominently and the rudiments of various organs external gills and eyes are also seen to be relatively larger than in Lepidosiren. Within a short space of time after hatching (stage 28) the trunk becomes straightened out and the pinnae of the external gills appear as two rows of little knobs on their external surface. The myotomes are seen to be growing actively in dorsiventral direction. 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.
Author : Lawrence Gilbert
Publisher : Springer Science & Business Media
ISBN 13 : 146133246X
Total Pages : 586 pages
Book Rating : 4.4/5 (613 download)
Download or read book Metamorphosis written by Lawrence Gilbert and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: "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.
Author : Charles Russell Bardeen
Publisher :
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.3/5 ( download)
Download or read book The Anatomical Record written by Charles Russell Bardeen and published by . This book was released on 1920 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues for 1906- include the proceedings and abstracts of papers of the American Association of Anatomists (formerly the Association of American Anatomists); 1916-60, the proceedings and abstracts of papers of the American Society of Zoologists.
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ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (31 download)
Download or read book Normentafeln Zur Entwicklungsgeschichte Der Wirbeltiere written by and published by . This book was released on 1897 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Minnesota. Department of Anatomy
Publisher :
ISBN 13 :
Total Pages : 910 pages
Book Rating : 4.3/5 (91 download)
Download or read book Contributions from the Department of Anatomy written by University of Minnesota. Department of Anatomy and published by . This book was released on 1917 with total page 910 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1040 pages
Book Rating : 4.:/5 (2 download)
Download or read book The American Journal of Anatomy written by and published by . This book was released on 1918 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Minnesota. Dept. of Anatomy
Publisher :
ISBN 13 :
Total Pages : 914 pages
Book Rating : 4.1/5 (8 download)
Download or read book Contributions from the Department of Anatomy ... written by University of Minnesota. Dept. of Anatomy and published by . This book was released on 1917 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 808 pages
Book Rating : 4.3/5 (21 download)
Download or read book Contributions to Embryology written by and published by . This book was released on 1927 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (334 download)
Download or read book Carnegie Institution of Washington Publication written by and published by . This book was released on 1917 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Franz Keibel
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.3/5 (243 download)
Download or read book Normentafeln zur Entwicklungsgeschichte der Wirbelthiere ... written by Franz Keibel and published by . This book was released on 1911 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.:/5 (321 download)
Download or read book Journal of Comparative Neurology written by and published by . This book was released on 1921 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publishes papers on the anatomy and physiology of the nervouse system. Preference is given to papers which deal descriptively or experimentally with the nervous system, its structure, growth, and function.
Author : Marcelo Sánchez-Villagra
Publisher : Princeton University Press
ISBN 13 : 069121767X
Total Pages : 336 pages
Book Rating : 4.6/5 (912 download)
Download or read book The Process of Animal Domestication written by Marcelo Sánchez-Villagra and published by Princeton University Press. This book was released on 2022-01-18 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
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ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (318 download)
Download or read book Journal of Morphology and Physiology written by and published by . This book was released on 1917 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey C. Carrier
Publisher : CRC Press
ISBN 13 : 1000542068
Total Pages : 841 pages
Book Rating : 4.0/5 (5 download)
Download or read book Biology of Sharks and Their Relatives written by Jeffrey C. Carrier and published by CRC Press. This book was released on 2022-06-08 with total page 841 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
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ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.7/5 (344 download)
Download or read book Normal Plates of the Development of ... written by and published by . This book was released on 1938 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Max Hecht
Publisher : Springer Science & Business Media
ISBN 13 : 1468488511
Total Pages : 901 pages
Book Rating : 4.4/5 (684 download)
Download or read book Major Patterns in Vertebrate Evolution written by Max Hecht and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 901 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is the result of a NATO Advanced Study Institute held in England at Kingswood Hall of Residence, Royal Holloway College (London University), Surrey, during the last two weeks of July, 1976. The ASI was organized within the guide lines laid down by the Scientific Affairs Division of the North Atlantic Treaty Organization. During the past two decades, significant advances have been made in our understanding of vertebrate evolution. The purpose of the Institute was to present the current status of our know ledge of vertebrate evolution above the species level. Since the subject matter was obviously too broad to be covered adequately in the limited time available, selected topics, problems, and areas which are applicable to vertebrate zoology as a whole were reviewed. The program was divided into three areas: (1) the theory and methodology of phyletic inference and approaches to the an alysis of macroevolutionary trends as applied to vertebrates; (2) the application of these methodological principles and an alytical processes to different groups and structures, particular ly in anatomy and paleontology; (3) the application of these re sults to classification. The basic principles considered in the first area were outlined in lectures covering the problems of character analysis, functional morphology, karyological evidence, biochemical evidence, morphogenesis, and biogeography.
