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单词 syndendrium
释义 syndendrium Zool.|sɪnˈdɛndrɪəm|
Pl. -ia.
[mod.L., f. Gr. σύν syn-1 + δένδρον tree + -ium.]
The thick flat quadrate disc suspended from the umbrella by the dendrostyles in rhizostomous hydrozoans.
1859Huxley Oceanic Hydrozoa i. 18 In the Rhizostomidæ a complex tree-like mass..is suspended from the middle of the umbrella... The main trunks of the dependent polypiferous tree..unite above into a thick flat quadrate disc, the syndendrium, which is suspended by..the dendrostyles.
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