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单词 xenopus
释义

Xenopusn.

/ˈzɛnəpəs/
Etymology: modern Latin (coined in German by J. G. Wagler 1827, in Isis von Oken XX. 726/2), < xeno- comb. form + Greek πούς, πόδ- foot.
A toad of the African genus Xenopus, which has claws on its digits and which was formerly used in pregnancy testing, as it produces eggs when injected with the urine of a pregnant woman; a clawed toad.
ΘΚΠ
the world > animals > amphibians > order Anura or Salienta (frogs and toads) > [noun] > types of frog or toad > suborder Opisthocoela > family Pipidae > genus Xenopus
Xenopus1890
1890 Proc. Sci. Meetings Zool. Soc. 70 Xenopus is a most admirable swimmer, and remarkable for the manner in which it remains poised for a long time immediately under the surface of the water.
1955 Sci. News Let. 17 Sept. 179/3 Drs. Emil Witsch and C. Y. Chang..told..that they were able to change male Xenopus toads into egg-laying females..under the influence of a female hormone, estradiol.
1974 Encycl. Brit. Macropædia XI. 803/2 In the toad Xenopus, each group of hair cells in a neuromast connects to its own nerve fibre.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2020).
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更新时间:2024/9/24 5:30:14