stomodeum /stom′ədē″əm/ pl. stomodeums, stomodea [Gk, stoma + odaios, a way] , a depression in the ectoderm located in the foregut of the developing embryo that forms the mouth. Also spelled stomadaeum, stomadeum, stomodaeum. Compare proctodeum. −stomodeal, stomadeal, stomodaeal, adj.
