plural prochorions or prochoria
: any of several structures surrounding the blastodermic vesicle in some animals (as rodents)
especially : a gelatinous coat that is probably a secretion of the uterine glands

Word History


New Latin, from pro- entry 1 + chorion

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Dictionary Entries Near prochorion

Cite this Entry

“Prochorion.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2024.

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