stomodeum /sto·mo·de·um/ (sto″mo-de´um) an invagination of the surface ectoderm of the embryo, at the point where later the mouth is formed.stomode´al
stomodeum
stomodeum (sto″mode´
m),
sto·mo·de·um (st  m -d  m)n. A midline ectodermal depression ventral to the embryonic brain and surrounded by the mandibular arch. It becomes continuous with the foregut and forms the mouth. sto mo·deal adj. |
stomodeum
[stom′ədē′əm] pl. stomodeums, stomodea
Etymology: 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. stomadeal, stomodaeal, stomodeal, adj.
stomodeum (sto″mode´
m),n a superficial depression on the ectoderm of the developing embryo that later becomes the oral cavity; primitive mouth.
stomodeum, stomodaeum, stomatodaeum, stomatodeum
the ectodermal depression at the head end of the embryo, which becomes the front part of the mouth.
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