Polyzoa
苔蟲類
Pol·y·zo·a n. pl. Zool. Same as Bryozoa. See Illust. under Bryozoa, and Phylactolæmata.
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Pol·y·zo·ön n.; pl. Polyzoa Zool. One of the individual zooids forming the compound organism of a polyzoan.
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polyzoa
n : marine or freshwater animals that form colonies of zooids
[syn: Bryozoa, phylum Bryozoa]
polyzoan
n : sessile aquatic animal forming mosslike colonies of small
polyps each having a curved or circular ridge bearing
tentacles; attach to stones or seaweed and reproduce by
budding [syn: bryozoan, sea mat, sea moss, moss
animal]
[also: polyzoa (pl)]