pol·yp /ˈpɑləp/
水螅,鼻肉,鼻息肉
pol·yp /ˈpɑləp/ 名詞
Pol·yp n. Zool. (a) One of the feeding or nutritive zooids of a hydroid or coral. (b) One of the Anthozoa. (c) pl. Same as Anthozoa. See Anthozoa, Madreporaria, Hydroid. [Written also polype.]
Fresh-water polyp, the hydra.
Polyp stem Zool., that portion of the stem of a siphonophore which bears the polypites, or feeding zooids.
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polyp
n 1: a small vascular growth on the surface of a mucous membrane
[syn: polypus]
2: one of two forms that coelenterates take e.g. a hydra or
coral: usually sedentary and has a hollow cylindrical body
usually with a ring of tentacles around the mouth