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Excerpt from The Columella Auris in Amphibia: Second Contribution
Below and beneath the squamosum, filling in the space between otic capsule, squamosum and otic process of the palatoquadrate, and extending down upon the outer side of the vena petroso - lateralis to the yolk - bearing cells occupying the site of the future membrane, is a dense tissue, with numerous cells and homogeneous matrix, which embodies the proton of the columella, stilus and squamoso - columellar ligament. The derivation of these cells was not definitely deter mined. Younger embryos lend some support to the View that they migrate down around the vein. The different appearance of the cells of the otic capsule adjoining the lower end of this cell - group argues against their origin from this portion of the otic capsule (membrane or floor).
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The Columella Auris in Amphibia: Second Contribution (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book analyzes the evolution of the sound-transmitting apparatus in the class Amphibia. The author begins by tracing its development in various amphibian species through embryological and histological examinations. Detailed descriptions and illustrations are given for the families Ambystomatidae, Salamandridae, Pleurodelidae, and Plethodontidae. The author presents a comparative analysis of the results and discusses the homologies of the structures involved. Supported by extensive research and observations, this book deepens our understanding of the evolution of the amphibian ear region. It is an invaluable reference for scholars and students of comparative anatomy, evolutionary biology, and herpetology. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781333844332_0
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The Columella Auris in Amphibia Second Contribution Classic Reprint
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The Columella Auris in Amphibia Second Contribution Classic Reprint
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