amnios
English Thesaurus
1. thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) (noun.animal)
| hypernym | : | sac, |
| definition | : | a structure resembling a bag in an animal (noun.body) |
| part meronym | : | amniote, |
| definition | : | any member of the Amniota (noun.animal) |
| part meronym | : | fetal membrane, |
| definition | : | any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus (noun.body) |
| domain category | : | mammal, mammalian, |
| definition | : | 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 (noun.animal) |
| derivation | : | amnic, amnionic, amniotic, |
| definition | : | of or related to the amnion or characterized by developing an amnion (adj.pert) |
| derivation | : | amnic, amnionic, amniotic, |
| definition | : | of or related to the amnion or characterized by developing an amnion (adj.pert) |
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