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[stoh-muh-dee-uh m, stom-uh-] /ˌstoʊ məˈdi əm, ˌstɒm ə-/
noun, plural stomodea
[stoh-muh-dee-uh, stom-uh-] /ˌstoʊ məˈdi ə, ˌstɒm ə-/ (Show IPA).
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
Related forms
stomodeal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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stomodeum in Medicine

stomodeum sto·mo·de·um (stō'mə-dē'əm)
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.

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