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 25 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!