stomodeum

[ stoh-muh-dee-uh m, stom-uh- ]
/ ˌstoʊ məˈdi əm, ˌstɒm ə- /

noun, plural sto·mo·de·a [stoh-muh-dee-uh, stom-uh-] /ˌstoʊ məˈdi ə, ˌstɒm ə-/. Embryology.

a depression in the ectoderm of the oral region of a young embryo, which develops into the mouth and oral cavity.

Origin of stomodeum

1875–80; < New Latin < Greek stóm(a) stoma + hodaîon (neuter singular) on the way; akin to -ode2

OTHER WORDS FROM stomodeum

sto·mo·de·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for stomodeum

stomodeum
[ stō′mə-dēəm ]

n.

A midline ectodermal depression ventral to the embryonic brain and surrounded by the mandibular arch. It becomes continuous with the foregut and forms the mouth.

Other words from stomodeum

sto′mo•deal adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.