am·ni·o
(ăm′nē-ō)n. pl. am′ni·os Amniocentesis.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun | 1. | amnios - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)amniote - any member of the Amniota mammal, mammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk fetal membrane - any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus sac - a structure resembling a bag in an animal |
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