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stomodeum

[stoh-muh-dee-uh m, stom-uh-]
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noun, plural sto·mo·de·a [stoh-muh-dee-uh, stom-uh-] /ˌstoʊ məˈdi ə, ˌstɒm ə-/. Embryology.
  1. a depression in the ectoderm of the oral region of a young embryo, which develops into the mouth and oral cavity.
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Origin of stomodeum

1875–80; < New Latin < Greek stóm(a) stoma + hodaîon (neuter singular) on the way; akin to -ode2
Related formssto·mo·de·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
stomodeum in Medicine

stomodeum

(stō′mə-dē′əm)
n.
  1. 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.
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Related formssto′mo•de′al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.