proamnion

noun

pro·​am·​ni·​on -ˈam-nē-ˌän, -ən How to pronounce proamnion (audio)
plural proamnions or proamnia -nē-ə How to pronounce proamnion (audio)
: an area in the anterior part of the blastoderm of an early amniote embryo that is free of mesoderm
proamniotic adjective

Dictionary Entries Near proamnion

Cite this Entry

“Proamnion.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/proamnion. Accessed 4 Dec. 2022.

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