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: A Aë A- A. Aa Ab Ac Ad Ae Af Ag Ah Ai Aj Ak Al Am An Ao Ap Aq Ar As At Au Av Aw Ax Ay Az

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS

Amnion

POS

Noun

HYPHEN

am=ni=on

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WORDNET DICTIONARY

Noun Amnion has 1 sense

amnion(n = noun.animal) amnios, amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals); Array

is a part of amniote, fetal membrane

is a kind of sac

Derived forms adjective amnic₁, adjective amnionic₁, adjective amniotic₁

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CIDE DICTIONARY

Amnion, n. [Gr. the membrane round the fetus, dim. of lamb.].

A thin membrane surrounding the embryos of mammals, birds, and reptiles. [1913 Webster]

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OXFORD DICTIONARY

Amnion, n. (pl. amnia) Zool. & Physiol. the innermost membrane that encloses the embryo of a reptile, bird, or mammal.

Derivative

amniotic adj.

Etymology

Gk, = caul (dimin. of amnos lamb)

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THESAURUS

Amnion

allantoic membrane, amniotic sac, arachnoid membrane, basement membrane, conjuctiva, eardrum, hymen, maidenhead, membrana serosa, membrana tympana, membrane, meninges, meninx, neurilemma, pellicle, pericardium, perineurium, pleura, serosa, tympanic membrane, tympanum, velum

For further exploring for "Amnion" in Webster Dictionary Online