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proamnion
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1
English
1.1
Etymology
1.2
Noun
1.2.1
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English
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Etymology
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pro-
+
amnion
Noun
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proamnion
(
plural
proamnions
or
proamnia
)
An area of the
blastoderm
at the
cephalic
end of a vertebrate
embryo
, in which there is no
mesoderm
separating the
ectoderm
and
endoderm
Related terms
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proamniotic