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

Medical 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.