stomodeum

== English == === Alternative forms === stomatodaeum, stomatodeum, stomodaeum, stomodæum === 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) (anatomy) A depression on the ectoderm of a developing embryo that becomes the mouth. ==== Derived terms ====