单词 | medusoid |
释义 | medusoid/mɪˈdjuːsɔɪd /Zoology adjective 1Relating to or resembling a medusa or jellyfish.Free-living medusoid hydrozoans can be hard to tell from scyphozoans, but hydrozoan medusae generally have a muscular shelf, or velum, projecting inward from the margin of the bell....
1.1Relating to or denoting the medusa phase in the life cycle of a coelenterate. Compare with polypoid (sense 1).A life cycle including both polypoid and medusoid phases that can be separate in space and scarcely overlapping in time characterizes many hydrozoans and most scyphozoans....
noun 1A medusa or jellyfish.In colonial hydroids, the individual polyps, or zooids, are differentiated for different functions: gastrozooids feed, dactylozoids capture prey, and gonozooids give rise to medusoids with gametes....
1.1A medusoid reproductive bud. |
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