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单词 perisarc
释义

perisarc


per·i·sarc

P0196600 (pĕr′ĭ-särk′)n. A horny external covering that encloses the polyp colonies of certain hydrozoans.
[peri- + Greek sarx, sark-, flesh.]

perisarc

(ˈpɛrɪˌsɑːk) n (Zoology) the outer chitinous layer secreted by colonial hydrozoan coelenterates, such as species of Obelia[C19: from peri- + -sarc, from Greek sarx flesh] ˌperiˈsarcal, ˌperiˈsarcous adj

perisarc


perisarc

[′per·ə‚särk] (invertebrate zoology) The outer integument of a hydroid.

perisarc


perisarc

the horny covering of hydrozoan coelenterates of the orders Gymnoblastea, Calyptoblastea and Hydrocorallinae. In the latter, the perisarc is massive and impregnated with calcium.
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