Organisers Genes
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Organisers Genes
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Author : Conrad Hal Waddington
language : en
Publisher:
Release Date : 1940
Organisers Genes written by Conrad Hal Waddington and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1940 with Embryology categories.
Conrad Hal Waddington's Organisers and Genes, published in 1940, is a summary of available research and theoretical framework for many concepts related to tissue differentiation in the developing embryo. The book is composed of two main conceptual sections. The first section explores the action and nature of the organizer, while the second section delves into genes and their influence on development. In this book Waddington explored organizers in terms of their capacity and method of induction. First he examined the nature of induction, discussing crucial experiments concerning the organizer, including Hans Spemann's discovery of the organizer, and his own research into organizers in higher birds and mammals. Waddington separated the action of the organizer into two distinct categories, evocation and individuation, discussed below. The main experimental approach discussed in this book involved grafting organizing tissue from one embryo or region of an embryo to another. Waddington described evocation as non-assimilative induction, or a one-way inducing signal. He presented this as a chemical signal and illustrated evocation with the dead organizer experiment. The dead organizer was shown to be capable of inducing differentiation of neural tissue in the ectoderm. He also included chemical induction by estrogens and steroids as other evocative signals. An important aspect of any signal of evocation, as presented by Waddington, is that the signal is specific to the differentiation of a certain tissue type.
The Life Organic
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Author : Erik L. Peterson
language : en
Publisher: University of Pittsburgh Press
Release Date : 2017-02-10
The Life Organic written by Erik L. Peterson and has been published by University of Pittsburgh Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-10 with Science categories.
As scientists debated the nature of life in the nineteenth century, two theories predominated: vitalism, which suggested that living things contained a “vital spark,” and mechanism, the idea that animals and humans differed from nonliving things only in their degree of complexity. Erik Peterson tells the forgotten story of the pursuit of a “third way’ in biology, known by many names, including “the organic philosophy,” which gave rise to C. H. Waddington’s work in the subfield of epigenetics: an alternative to standard genetics and evolutionary biology that captured the attention of notable scientists from Francis Crick to Stephen Jay Gould. The Life Organic chronicles the influential biologists, mathematicians, philosophers, and biochemists from both sides of the Atlantic who formed Joseph Needham’s Theoretical Biology Club, defined and refined “third way” thinking through the 1930s, and laid the groundwork for some of the most cutting-edge achievements in biology today. By tracing the persistence of organicism into the twenty-first century, this book also raises significant questions about how we should model the development of the discipline of biology going forward.
Essentials Of Human Embryology Rev Edn
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Author : Bhatnagar
language : en
Publisher: Orient Blackswan
Release Date : 2000
Essentials Of Human Embryology Rev Edn written by Bhatnagar and has been published by Orient Blackswan this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
A Concise And Lucid Account Of Human Embryology, Useful For Undergraduate And Post-Graduate Medical And Paramedical Students. The Essential Features Of Human Development Have Been Presented, With Added Emphasis On The Cardiovascular, Alimentary And Urogenital Systems. Illustrations Have Been Designed And Exhaustively Labelled.
The Vertebrate Organizer
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Author : Horst Grunz
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
The Vertebrate Organizer written by Horst Grunz 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.
The organizer area plays a central role in the formation of the embryonic axis and the central nervous system of all vertebrates including the human fetus. In The Vertebrate Organizer, outstanding molecular development biologists and embryologists report their latest approaches in this fascinating research area using different vertebrate model organisms. The presented data is of central importance for the understanding of early human embryogenesis.
Plastic Reason
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Author : Tobias Rees
language : en
Publisher: Univ of California Press
Release Date : 2016-05-03
Plastic Reason written by Tobias Rees and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-03 with Social Science categories.
Throughout the twentieth century, neuronal researchers knew the adult human brain to be a thoroughly fixed and immutable cellular structure, devoid of any developmental potential. Plastic Reason is a study of the efforts of a few Parisian neurobiologists to overturn this rigid conception of the central nervous system by showing that basic embryogenetic processesÑmost spectacularly the emergence of new cellular tissue in the form of new neurons, axons, dendrites, and synapsesÑcontinue in the mature brain. Furthermore, these researchers sought to demonstrate that the new tissues are still unspecific and hence literally plastic, and that this cellular plasticity is constitutive of the possibility of the human. Plastic Reason, grounded in years of fieldwork and historical research, is an anthropologistÕs account of what has arguably been one of the most sweeping events in the history of brain researchÑthe highly contested effort to consider the adult brain in embryogenetic terms. A careful analysis of the disproving of an established truth, it reveals the turmoil that such a disruption brings about and the emergence of new possibilities of thinking and knowing.
Advances In Self Organising Maps
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Author : Nigel Allinson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Advances In Self Organising Maps written by Nigel Allinson 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 2012-12-06 with Mathematics categories.
Cytogenetics Evolution Biostatistics And Plant Breeding
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Author : Shukla R.S. & Chandel P.S.
language : en
Publisher: S. Chand Publishing
Release Date : 2004-09
Cytogenetics Evolution Biostatistics And Plant Breeding written by Shukla R.S. & Chandel P.S. and has been published by S. Chand Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-09 with Science categories.
Cytology , Genetics, Evolution,Biostatistics and Plant Breeding for B.Sc. & M.Sc. Students
Engineering Self Organising Systems
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Author : Sven Brueckner
language : en
Publisher: Springer
Release Date : 2007-04-20
Engineering Self Organising Systems written by Sven Brueckner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-04-20 with Computers categories.
This book constitutes the thoroughly refereed post-proceedings of the 4th International Workshop on Engineering Self-Organising Applications, ESOA 2006, held in Hakodate, Japan in May 2006. This was an associated event of AAMAS 2006, the 5th International Joint Conference on Autonomous Agents and Multi-Agent Systems. The seven full papers presented together with six invited papers were carefully selected for inclusion in the book.
Advances In Genetics
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Author :
language : en
Publisher: Academic Press
Release Date : 1990-05-23
Advances In Genetics written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-05-23 with Science categories.
Advances in Genetics
Developmental Genetics
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Author : Gurbachan S. Miglani
language : en
Publisher: I. K. International Pvt Ltd
Release Date : 2013-12-30
Developmental Genetics written by Gurbachan S. Miglani and has been published by I. K. International Pvt Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-30 with Genetics categories.
Development is behind what one looks like. It is directed by genes, the units of heredity, which are made up to deoxyribonucleic acid (DNA) in all animals (including man), plants, microorganisms and most of the viruses except in some viruses where ribonucleic acid (RNA) is the genetic material. Developmental Genetics integrates the two disciplines of development and genetics into one. Key Features: Each chapter begins with a brief introduction and historical background. The text explains both classical and recent material. Various phenomena of developmental genetics explained with examples of animals, plant, bacteria and viruses. Text explained with suitable examples, illustrations, tables and figures. List of references and review questions given at the end of each chapter Exhaustive glossary, author index and subject index given at the end of the book. This book is essential reading for postgraduate in developmental genetics, teachers teaching this subject and developmental biologists conducting research in this area. It is also suitable for candidates preparing for ARS/UGC NET examination.