Stomodaeum Definition

Stomodaeum Sentence Examples

• One end of the blastopore becomes nearly closed, and an ingrowth of ectoderm takes place around it to form the stomodaeum or fore-gut and mouth.

• In the anthopolyp the blastopore is carried inwards by an in-pushing of the body-wall of the region of the peristome, so that the adult mouth is an opening leading into a short ectodermal oesophagus or stomodaeum, at the bottom of which is the blastopore.

• Gastrulation takes place by epiboly, and the stomodaeum (oral invagination - mastax pharynx) takes place in two stages of the region of the closed blastopore.

• The enteron itself becomes bilobed and is joined by a new invagination, that of the mouth and stomodaeum.

• The pharynx or stomodaeum is still small, the foot not yet prominent.