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.
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