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单词 redia
释义 redia Zool.|ˈriːdɪə|
Pl. rediæ |ˈriːdɪiː|.
[mod.L., f. Redi, the name of an Italian naturalist.]
An asexual stage in some trematodes, as the liver-fluke (Distomum hepaticum), hatched from eggs formed within the sporocyst, and in turn developing into a cercaria.
1877Huxley Anat. Inv. Anim. iv. 203 The Redia, as this form is called, has a mouth and a simple caecal intestine, but no other organs.1882A. P. Thomas in Proc. R. Med. Soc. 14 Nov. 15 These assume the forms of rediae, or nurse forms more highly organised than the simple sporocysts.
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更新时间:2024/12/22 16:12:51