Reference Entry

yolk sac

Michael Allaby

in A Dictionary of Zoology

Third edition

Published in print January 2009 | ISBN: 9780199233410
Published online January 2009 | e-ISBN: 9780191726958
yolk sac

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In the embryos of vertebrates, a sac arising as a diverticulum of the alimentary canal with which, except in

Reference Entry.  91 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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