stomodeum

[ stoh-muh-dee-uhm, stom-uh- ]

noun

, Embryology.

, plural sto·mo·de·a [stoh-m, uh, -, dee, -, uh, stom-, uh, -].

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

Other Words From

• stomo·deal adjective

Word History and Origins

Origin of stomodeum¹

1875–80; < New Latin < Greek stóm ( a ) stoma + hodaîon (neuter singular) on the way; akin to -ode ²