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Amnion

nounverified·updated May 18, 2026

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

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

synonym
amniosamniotic sac
plural
Amnions
possessive
Amnion's
pluralpossessive
Amnions'