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scyphistoma
scy·phis·to·ma S0181400 (sī-fĭs′tə-mə)n. pl. scy·phis·to·mae (-mē) or scy·phis·to·mas A larva of a scyphozoan, consisting of a very small sessile polyp that successively splits off free-swimming medusas. [New Latin : Greek skuphos, cup + Greek stoma, mouth.]scyphistoma (saɪˈfɪstəmə) n, pl -mae (-ˌmiː) or -mas (Zoology) a sessile hydra-like individual representing the polyp stage of scyphozoans. It produces forms which become free-swimming jellyfish[C19: from Greek skuphos cup + stoma]scyphistoma
scyphistoma[sī′fis·tə·mə] (invertebrate zoology) A sessile, polyploid larva of many Scyphozoa which may produce either more scyphistomae or free-swimming medusae. scyphistoma
scyphistoma (sī-fĭs′tə-mə)n. pl. scyphisto·mae (-mē) or scyphisto·mas A larva of a scyphozoan, consisting of a very small sessile polyp that successively splits off free-swimming medusas.scyphistoma a larval form of a COELENTERATE, arising from a planula larva, which may bud, but in autumn and winter produces EPHYRA larva by STROBILATION. see SCYPHOZOAN. |