proamnion

noun

pro·am·ni·on -ˈam-nē-ˌän, -ən

plural proamnions or proamnia -nē-ə

: an area in the anterior part of the blastoderm of an early amniote embryo that is free of mesoderm

proamniotic

-ˌam-nē-ˈät-ik

adjective

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“Proamnion.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/proamnion. Accessed 8 Jul. 2026.

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proamnion

noun

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