A central cavity in a sponge, open to the exterior through ostia.
单词 | θ31891 |
释义 | the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > gastric cavity (1) paragaster1887 A central cavity in a sponge, open to the exterior through ostia. |
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