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单词 sporosac
释义 ˈsporosac Zool.
[f. sporo- + sac2.]
A simple form of gonophore.
1859Annals Nat. Hist. IV. 140 These medusiform sporosacs.1861J. R. Greene Man. Anim. Kingd., Cœlent. 40 The simplest kind of gonophore consists of a well-defined protuberance from the body-wall, the ‘sporosac’.1888Rolleston & Jackson Anim. Life 762 A sporosac..lodged in an ampulla or cavity of the coenosteum.
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