amnion — English Dictionary

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Language

amnion

Pronunciations (4)

/ˈæm.nɪ.ɒn/
Pronunciation notes
- Received-Pronunciation
/ˈæm.ni.ɑːn/
Pronunciation notes
- US
ˈæm.nɪ.ɒn
Pronunciation notes
- GB
ˈæm.nɪ.ɑːn
Pronunciation notes
- US

Noun

The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.

Synonyms
amniotic sac

Examples

Near-synonym: amniotic sac

He never seemed to mind, and after a while, she no longer felt self-conscious about languishing in the amnion of his office.

Noun

thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

Synonyms
amniotic sac amnios
Broader terms
sac

Word forms

amnionsamnia

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