单词	coelenteron
释义	coelenteron /sēˈlen(t)əˌrän / noun (plural coelentera /-tərə/) The central gastric cavity of a coelenterate.The anthozoans are diploblastic animals developing from two epithelial germ cell layers: the ectoderm, facing the seawater, and the endoderm, facing the gastrovascular cavity or coelenteron.... The oral tentacles then pass the paralysed prey to the mouth and into the coelenteron for digestion. This means they have just one opening into the coelenteron which serves as both a mouth and an anus.
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