| 单词 | amnion |
| 释义 | amnion (once / 41183 pages) n WORD FAMILY amnion: amnions, amniotic+/amnic: amnion USAGE EXAMPLESS, serosa; A, amnion; E, ectoderm; N, rudiment of nerve-cord; M, mesodermal pouches. Various, Encyclopaedia Britannica, 11th Edit...(2012) That group of vertebrates which develops in its embryonic life the envelope called the amnion. Webster, Noah, Webster's Unabridged Dictionary(2012) Amnion, am′ni-on, n. the innermost membrane enveloping the embryo of reptiles, birds, and mammals. Various, Chambers's Twentieth Century Dictio...(2011) n thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) Syn|Hyper amnios, amniotic sac sac a structure resembling a bag in an animal |
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