2. / Dictionary
  3. / Index A

amnion: Meaning and Definition of

am•ni•on

Pronunciation: (am'nē-un), [key]
— pl. -ni•ons, -ni•a
  1. the innermost of the embryonic or fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.
  2. a similar membrane of insects and other invertebrates.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
amniography amniote
sandbbox logo
©2022 Sandbox Networks Inc. All rights reserved. Sandbox Learning is part of Sandbox & Co., a digital learning company.