stomodeum
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sto·mo·de·um
also sto·mo·dae·um (stō′mə-dē′əm)n. pl. sto·mo·de·a also sto·mo·dae·a (-dē′ə)
The anterior or oral portion of the digestive tract of an embryo.
[New Latin : Greek stoma, mouth + Greek hodaios, on the way (from hodos, road).]
sto′mo·de′al (-dē′əl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sto•mo•de•um
(ˌstoʊ məˈdi əm, ˌstɒm ə-)n., pl. -de•a (-ˈdi ə)
a depression in the ectoderm of the oral region of a young embryo, which develops into the mouth and oral cavity.
[1875–80; < New Latin < Greek stóm(a) stoma + hodaîon on the way]
sto`mo•de′al, adj.
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