The Columella Auris in Amphibia: Second Contribution (Classic Reprint) - Hardcover

Benjamin Freeman Kingsbury

Hardcover

ISBN 10: 0656086270 ISBN 13: 9780656086276

Publisher: Forgotten Books, 2019

Synopsis

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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Edition details

• Publisher: Forgotten Books
• Publication date: 2019
• Language: English
• ISBN 10: 0656086270
• ISBN 13: 9780656086276
• Binding: Hardcover
• Number of pages: 121