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单词 allantoin
释义

allantois /a-lanˈtō-is/

noun

A membranous sac-like appendage for effecting oxygenation in the embryos of mammals, birds and reptiles

ORIGIN: Irregularly formed from Gr allās, -āntos a sausage, and eidos form

allantoˈic adjective

allanˈtoid /-toid/ adjective

  1. Sausage-shaped
  2. Relating to the allantois
noun

The allantois

allantoˈin noun

A white crystalline powder produced by the oxidation of uric acid, used in the treatment of wounds, skin irritation, etc.

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更新时间:2026/5/28 2:16:43