stomodeum

English

Alternative forms

Etymology

From Ancient Greek στόμα (stóma, mouth) + a latinized and nominalized form of Ancient Greek ὁδαῖος (hodaîos, on the way). Compare proctodeum, urodeum, coprodeum, and phallodeum.

Noun

stomodeum (plural stomodea or (uncommon) stomodeums)

  1. (anatomy) A depression on the ectoderm of a developing embryo that becomes the mouth.