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Pronunciation varies by accent · noun
An area of the blastoderm at the cephalic end of a vertebrate embryo, in which there is no mesoderm separating the ectoderm and endoderm.
Use proamnion when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Proamnion means An area of the blastoderm at the cephalic end of a vertebrate embryo, in which there is no mesoderm separating the ectoderm and endoderm.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use proamnion where its definition matches the intended context.
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