The Epigenetic Nature of Early Chordate Development PDF Download
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Author: Pieter D. Nieuwkoop
Publisher: CUP Archive
ISBN: 9780521251075
Category : Science
Languages : en
Pages : 436
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Book Description
This volume summarises our present knowledge of inductive interaction during early development of various groups of chordates. Embryonic development is mainly epigenetic, that is, each embryo arises through gradual organisation and emergence of its constituent parts and not by the unfolding of preformed structures. Development as far as the full development of the 'body plan' in the embryo is described. At the beginning of development, there is only very restricted spatial diversity, but as development proceeds the interaction of the different parts leads to ever-increasing spatial complexity of the developing embryo. Interaction starts between the different cell organelles of the oocyte and the, spermatozoon; it continues without interruption between the different parts of the very early embryo and also between the different tissues and organ anlagen of the developing embryo. The new hypothesis as to the nature of the inductive interaction, which is postulated here, is in good agreement with the experimental evidence presented and opens new possibilities for fruitful research into this basic concept of embryonic development.
Author: Pieter D. Nieuwkoop
Publisher: CUP Archive
ISBN: 9780521251075
Category : Science
Languages : en
Pages : 436
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Book Description
This volume summarises our present knowledge of inductive interaction during early development of various groups of chordates. Embryonic development is mainly epigenetic, that is, each embryo arises through gradual organisation and emergence of its constituent parts and not by the unfolding of preformed structures. Development as far as the full development of the 'body plan' in the embryo is described. At the beginning of development, there is only very restricted spatial diversity, but as development proceeds the interaction of the different parts leads to ever-increasing spatial complexity of the developing embryo. Interaction starts between the different cell organelles of the oocyte and the, spermatozoon; it continues without interruption between the different parts of the very early embryo and also between the different tissues and organ anlagen of the developing embryo. The new hypothesis as to the nature of the inductive interaction, which is postulated here, is in good agreement with the experimental evidence presented and opens new possibilities for fruitful research into this basic concept of embryonic development.
Author: Richard Gordon
Publisher: World Scientific
ISBN: 9814500399
Category : Science
Languages : en
Pages : 1930
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Book Description
Over the past few decades numerous scientists have called for a unification of the fields of embryo development, genetics, and evolution. Each field has glaring holes in its ability to explain the fundamental phenomena of life. In this book, the author shows how the phenomenon of cell differentiation, considered in its temporal and spatial aspects during embryogenesis, provides a starting point for a unified theory of multicellular organisms (plants, fungi and animals), including their evolution and genetics. This unification is based on the recent discovery of differentiation waves by the author and his colleagues, described in the appendices, and illustrated by a flip movie prepared by a medical artist. To help the reader through the many fields covered, a glossary is included.This book will be of great value to the researcher and practicing doctors/scientists alike. The research students will receive an in-depth tutorial on the topics covered. The seasoned researcher will appreciate the applications and the gold mine of other possibilities for novel research topics.
Author:
Publisher: Academic Press
ISBN: 0080856888
Category : Science
Languages : en
Pages : 451
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Book Description
Developing organisms are systems in which the geometry, dynamics, and boundary conditions are all changing in the course of morphogenesis. The morphogenesis of cells and organisms appear to be mediated in part by the mechanically active components of the cytoskeleton. Mechanical forces have long been considered secondary to the effects of molecular mechanisms in cell growth, differentiation, and development. This volume explores the role of mechanical forces in cell growth and development and demonstrates its importance. This volume will prove invaluable to all biologists interested in the fundamentals of mechanical forces in development, from the advanced to the graduate researcher.
Author: Paul Wassarman
Publisher: Elsevier
ISBN: 0080876765
Category : Science
Languages : en
Pages : 209
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Book Description
Advances in Developmental Biology was launched as a series by JAI Press in 1992 with the appearance of Volume 1. This series is inextricably linked to the companion series, Advances in Developmental Biochemistry, that was launched at the same time. As stated in the Preface to Volume 1: "Together the two series will provide annual reviews of research topics in developmental biology/biochemistry, written from the perspectives of leading investigators in these fields. It is intended that each review draw heavily form the author's own research contributions and perspective. Thus, the presentations are not necessarily encyclopedic in coverage, nor do they necessarily reflect all opposing views of the subject." Volume 2 of the series follows these same guidelines.
Author: Nikolas Zagris
Publisher: Springer Science & Business Media
ISBN: 1489916180
Category : Science
Languages : en
Pages : 328
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Book Description
This book is the product of a NATO Advanced Study Institute of the same name, held at the Anargyrios and Korgialenios School on the island of Spetsai, Greece, in September 1994. The institute considered the molecular mechanisms which generate the body plan during vertebrate embryogenesis. The main topics discussed included: commitment and imprinting during germ cell differentiation; hierarchies of inductive cell interactions; the molecular functioning of Spemann's organizer and formation of embryonic axes; the extracellular matrix and the cytoskeleton in relation to morphogenesis and cell migration; neurogenesis and patterning of the neuraxis; the regulation of pattern formation by Hox genes and other transcription factors. This ASI was marked by a number of special features. An important one was that it brought together three different generations of embryologists: pioneers in classical embryology; scientists who are now leading the present molecular elucidation of vertebrate embryogenesis; and the promising younger ASI participants, some of whom are already making important contributions to this field. This aspect was very important in determining the character of the meeting. It exposed ambiguities in the classical embryological dogma and thus facilitated a subtle application of the recent molecular findings to classical problems. The second shining feature of this ASI was its evolutionary emphasis. The findings presented were obtained in four different vertebrate systems: mammals (the mouse), avians (the chicken), amphibians (Xenopus) and the teleost fishes (zebrafish).
Author: David L. Kirk
Publisher: Cambridge University Press
ISBN: 9780521452076
Category : Science
Languages : en
Pages : 210
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Book Description
This book reviews Volvox development and biology and, through this study, sheds light on the origins of multicellularity.
Author: Panagiotis A. Tsonis
Publisher: Cambridge University Press
ISBN: 9780521441490
Category : Medical
Languages : en
Pages : 264
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Book Description
This is the first book that analyses the mechanisms of limb regeneration by incorporating the information obtained from older experiments with the many new recent advances in molecular and cellular biology.
Author: R. Rappaport
Publisher: Cambridge University Press
ISBN: 0521401739
Category : Medical
Languages : en
Pages : 401
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Book Description
This book traces the history of the major ideas and gives an account of our current knowledge of cytokinesis.
Author: Albert I. Farbman
Publisher: Cambridge University Press
ISBN: 9780521364386
Category : Medical
Languages : en
Pages : 300
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Book Description
The sense of smell is probably the most important sense to a large number of the animal species on Earth and the aim of the study of olfactory cell biology is to understand the cellular basis on which olfactory-driven behaviour is based. In this book the author presents a critical analysis of what is known about the olfactory sensory cells in both the nasal cavity and the vomeronasal organ. Although the emphasis is on mammalian olfaction, basic issues that have been addressed by research on other vertebrates and invertebrates are also discussed. Throughout the book the premise is that we can only more thoroughly comprehend normal behaviour and dysfunction once we have a detailed understanding of the cells and tissues involved in the sense of smell.
Author: Lionel G. Harrison
Publisher: Cambridge University Press
ISBN: 9780521019910
Category : Science
Languages : en
Pages : 384
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Book Description
Discusses the development of the shapes of living organisms and their parts in a field of science in which there are no generally accepted theoretical principles.
