proamnion

P3R1O1A1M3N1I1O1N1

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

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Meanings

nounproamnion (plural proamnions or proamnia)

plural proamnions · plural proamnia

  1. An area of the blastoderm at the cephalic end of a vertebrate embryo, in which there is no mesoderm separating the ectoderm and endoderm

Origin

From pro- + amnion.

Full word history & related roots →
Cite this entry
APA

proamnion. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/proamnion

MLA

“proamnion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/proamnion. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “proamnion,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/proamnion.

Source: proamnion on Wiktionary, CC BY-SA 4.0.