| 单词 | allantoin |
| 释义 | allantoin /euh lan"toh in/, n. Biochem., Pharm. a white powder, C4H6N4O3, produced by oxidation of uric acid and the major excretory product of purine degradation in many vertebrates: used medicinally to heal skin ulcers and in lotions, lipsticks, etc., for its soothing effect. [1835-45; ALLANTO(IS) + -IN2; so named because it is found in the fluid of the allantois] |
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