stomodaeum

/stoh-muh-dee-uhm, stom-uh-/US // ˌstoʊ məˈdi əm, ˌstɒm ə- //UK // (ˌstəʊməˈdiːəm, ˌstɒm-) //

口蹄疫,口腔医学,口腔科,口腔医学会

Definitions

n.名词 noun

1
plural sto·mo·dae·a [stoh-muh-dee-uh, stom-uh-]. /ˌstoʊ məˈdi ə, ˌstɒm ə-/.
- : stomodeum.

There is only one ciliated groove, the sulcus, in the stomodaeum.
Each zooid has six tentacles; the stomodaeum is elongate, but the sulcus and sulculus are very feebly represented.
The stomodaeum lies in the sagittal plane, the funnel and tentacles in the transverse or tentacular plane.
The mouth and stomodaeum form independently of the blastopore.