scy·phis·to·ma (s -f s t -m)n. pl. scy·phis·to·mae (-m  ) or scy·phis·to·mas A larva of a scyphozoan, consisting of an elongated and deeply constricted polyp that successively splits off minute, free-swimming medusas. [New Latin : Greek skuphos, cup + Greek stoma, mouth.] |
scyphistoma [saɪˈfɪstəmə]
n pl -mae [-ˌmiː], -mas
(Life Sciences & Allied Applications / Zoology) a sessile hydra-like individual representing the polyp stage of scyphozoans. It produces forms which become free-swimming jellyfish
[from Greek skuphos cup + stoma]
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