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Author: Gerhard Schlosser
Publisher: CRC Press
ISBN: 1000369137
Category : Science
Languages : en
Pages : 325
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Book Description
Most vertebrate cranial sense organs arise from placodes. These placodes give rise to sensory neurons that transmit information to the brain and neurosecretory cells. This book reviews the evolutionary origin of the sensory and neurosecretory cell types. It summarizes our current understanding of vertebrate evolution, clarifies conceptual issues relating to homology and evolutionary innovation of cell types, compares the sensory and neurosecretory cell types with similar cell types in other animals, and addresses the question of how cranial placodes evolved as novel structures in vertebrates by redeploying pre-existing and sometimes evolutionarily ancient cell types.
Author: GERHARD. SCHLOSSER
Publisher: CRC Press
ISBN: 9780367748531
Category :
Languages : en
Pages : 752
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Book Description
Most of the cranial sense organs of vertebrates arise from embryonic structures known as cranial placodes. Such placodes also give rise to sensory neurons that transmit information to the brain as well as to many neurosecretory cells. This book focuses on the development of sensory and neurosecretory cell types from cranial placodes by introducing the vertebrate head with its sense organs and neurosecretory organs and providing an overview of the various cranial placodes and their derivatives, including evidence of common embryonic primordia. Schlosser discusses how these primordia are established in the early embryo and how individual placodes develop. The latter chapters explain how various placodally derived sensory and neurosecretory cell types differentiate into discrete structures.
Author: Gerhard Schlosser
Publisher: CRC Press
ISBN: 1000369137
Category : Science
Languages : en
Pages : 325
Get Book Here
Book Description
Most vertebrate cranial sense organs arise from placodes. These placodes give rise to sensory neurons that transmit information to the brain and neurosecretory cells. This book reviews the evolutionary origin of the sensory and neurosecretory cell types. It summarizes our current understanding of vertebrate evolution, clarifies conceptual issues relating to homology and evolutionary innovation of cell types, compares the sensory and neurosecretory cell types with similar cell types in other animals, and addresses the question of how cranial placodes evolved as novel structures in vertebrates by redeploying pre-existing and sometimes evolutionarily ancient cell types.
Author: Gerhard Schlosser
Publisher:
ISBN: 9780367747787
Category :
Languages : en
Pages : 0
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Book Description
Most of the cranial sense organs of vertebrates arise from embryonic structures known as cranial placodes. Schlosser discusses how these primordia are established in the early embryo, how individual placodes develop, and how various placodally derived sensory and neurosecretory cell types differentiate into discrete structures.
Author: Gerhard Schlosser
Publisher: CRC Press
ISBN: 1351667831
Category : Science
Languages : en
Pages : 305
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Book Description
Most of the cranial sense organs of vertebrates arise from embryonic structures known as cranial placodes. Such placodes also give rise to sensory neurons that transmit information to the brain as well as to many neurosecretory cells. This book focuses on the development of sensory and neurosecretory cell types from cranial placodes by introducing the vertebrate head with its sense organs and neurosecretory organs and providing an overview of the various cranial placodes and their derivatives, including evidence of common embryonic primordia. Schlosser discusses how these primordia are established in the early embryo and how individual placodes develop. The latter chapters explain how various placodally derived sensory and neurosecretory cell types differentiate into discrete structures.
Author: Peter A.V. Anderson
Publisher: Springer
ISBN: 9781489909220
Category : Science
Languages : en
Pages : 424
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Book Description
This book represents the proceedings of a NATO Advanced Research Workshop of the same name, held at St. Andrews University, Scotland in July of 1989. It was the first meeting of its kind and was convened as a forum to review and discuss the phylogeny of some of the cell biological functions that underlie nervous system function, such matters as intercellular communication in diverse, lower organisms, and the electrical excitability of protozoans and cnidarians, to mention but two. The rationale behind such work has not necessarily been to understand how the first nervous systems evolved; many of the animals in question provide excellent opportunities for examining general questions that are unapproachable in the more complex nervous systems of higher animals. Nevertheless, a curiosity about nervous system evolution has invariably pervaded much of the work. The return on this effort has been mixed, depending to a large extent on the usefulness of the preparation under examination. For example, work on cnidarians, to many the keystone phylum in nervous system evolution simply because they possess the "first" nervous systems, lagged behind that carried out on protozoans, because the latter are large, single cells and, thus, far more amenable to microelectrode-based recording techniques. Furthermore, protozoans can be cultured easily and are more amenable to genetic and molecular analyses.
Author: Bernd Fritzsch
Publisher: CRC Press
ISBN: 1000514463
Category : Science
Languages : en
Pages : 338
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Book Description
This book is an overview of primary sensory maps of vertebrates, characterized by continuous and discrete properties. The eight primary sensory maps of vertebrates have unique features and use distinct molecular cues, cell cycle exit, and activity combinations during development, regeneration, and plasticity. As an introduction and overview, the book provides a short overview for all eight sensory senses and presents through evolution and gene regulatory networks, the molecular cues needed for sensory processing. Independent contributions are included for olfactory, vision, trigeminal, taste, vestibular, auditory, lateral line, and electroreception.
Author: P. Eckhard Witten
Publisher: CRC Press
ISBN: 1351652036
Category : Science
Languages : en
Pages : 301
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Book Description
Although it is the defining organ of the Chordata, the notochord and its cells are one of the least understood vertebrate organs. This may be because large parts of the notochord are often replaced with cartilaginous or bony vertebral bodies. The presence of cartilage in the notochord raises questions about the evolutionary relationships between notochord cells and cartilage cells. This book integrates classical analytical studies with recent palaeontological, experimental, and molecular studies in both developmental and evolutionary contexts. For example, although the early signaling function of the notochord is conserved across the vertebrates, many will be surprised to find that the role of the notochord in vertebral body development in tetrapods is not the blueprint for all vertebrates. Recent studies on zebrafish and medaka embryos have uncovered the molecular mechanisms of a somite-independent notochord-driven segmentation process that establishes vertebral centra and intervertebral spaces. As this process is not restricted to teleosts, the authors have written a general discussion about the role of the notochord in vertebral formation. Modularity and segmentation of the vertebral column are related topics. Further overarching themes are the structure, function and fate of the notochord in adult vertebrates and notochord–cartilage relationships. Key Features The first book devoted to notochord development, function and evolution Includes and integrates information on the notochord from studies going back 169 years Integrates developmental, molecular, functional, experimental and palaeontological studies Documents the fate of the notochord across the vertebrates Extensively illustrated with classical and new images Related Titles Bard, J. Evolution: The Origins and Mechanisms of Diversity (ISNB 978-0-3673-5701-6) Leys, S. and Hejnol. A. Origin and Evolution of Metazoan Cell Types (ISBN 978-1-1380-3269-9)
Author: M. Kathleen Pitirri
Publisher: CRC Press
ISBN: 1000439410
Category : Science
Languages : en
Pages : 274
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Book Description
Many complex traits define the primate condition, including behaviors as fundamental as locomotion and traits as scrutinized as the dentition, and their study reveals dramatic evolutionary change across the primates. Genetic modifications are at the basis of these changes, but transformation of genetic information into phenotypes occurs at the level of the cell, which is the focus of this book. Contributors summarize novel methodologies to analyze the collective behavior of cells in forming tissues and organs influencing physiological functions and anatomical features that enable behaviors. Our goal is to review current knowledge and encourage others to adopt evolutionary cell biology to aid in deciphering the genotype-phenotype map that underlies the diversification of primates, human variation, and human evolution. The contributors to this book utilize advances in genetic analysis and visualization of cells and tissues and merge evolutionary developmental biology with evolutionary cell biology to address questions central to understanding human and primate evolution. Key Features Explores mechanisms underlying trait development, distribution, variation, and evolution, especially with respect to pigmentation, dental formulae, the skeleton, energetics, and temperature-related morphological variation Documents the advantages for anthropologists to work at the level of cells, focusing on how genes provide instructions for cells to make structure and how environment affects the behavior of cells Illustrates the role cell biology plays in pelage growth and pigmentation, facial morphology, melanin production in pigmentation, dental development and tooth loss, and energy expenditure Describes novel methodologies and techniques to analyze environment- and temperature-related influences on phenotypes Demonstrates how significant changes in life history occur at the level of the cell Related Titles Bianchi, L. Developmental Neurobiology (ISBN 978-0-8153-4482-7) King, G. R. Primate Behavior and Human Origins (ISBN 978-1-138-85317-1) Rhys Evans, P. H. The Waterside Ape: An Alternate Account of Human Evolution (ISBN 978-0-367-14548-4)
Author: Georg F. Striedter
Publisher: Academic Press
ISBN: 0128040963
Category : Science
Languages : en
Pages : 2064
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Book Description
Evolution of Nervous Systems, Second Edition, Four Volume Set is a unique, major reference which offers the gold standard for those interested both in evolution and nervous systems. All biology only makes sense when seen in the light of evolution, and this is especially true for the nervous system. All animals have nervous systems that mediate their behaviors, many of them species specific, yet these nervous systems all evolved from the simple nervous system of a common ancestor. To understand these nervous systems, we need to know how they vary and how this variation emerged in evolution. In the first edition of this important reference work, over 100 distinguished neuroscientists assembled the current state-of-the-art knowledge on how nervous systems have evolved throughout the animal kingdom. This second edition remains rich in detail and broad in scope, outlining the changes in brain and nervous system organization that occurred from the first invertebrates and vertebrates, to present day fishes, reptiles, birds, mammals, and especially primates, including humans. The book also includes wholly new content, fully updating the chapters in the previous edition and offering brand new content on current developments in the field. Each of the volumes has been carefully restructured to offer expanded coverage of non-mammalian taxa, mammals, primates, and the human nervous system. The basic principles of brain evolution are discussed, as are mechanisms of change. The reader can select from chapters on highly specific topics or those that provide an overview of current thinking and approaches, making this an indispensable work for students and researchers alike. Presents a broad range of topics, ranging from genetic control of development in invertebrates, to human cognition, offering a one-stop resource for the evolution of nervous systems throughout the animal kingdom Incorporates the expertise of over 100 outstanding investigators who provide their conclusions in the context of the latest experimental results Presents areas of disagreement and consensus views that provide a holistic view of the subjects under discussion
Author: Josh Dubnau
Publisher: Cambridge University Press
ISBN: 1107009030
Category : Medical
Languages : en
Pages : 309
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Book Description
A comprehensive portrayal of the behaviour genetics of the fruit fly (Drosophila melanogaster) and the methods used in these studies.
