allantoin
allantoin[əˈlantəʊɪn]noun- [mass noun](Biochemistry)a crystalline compound formed in the nitrogen metabolism of many mammals (excluding primates)
(生化)尿囊素
- A cyclic compound related to hydantoin; chem. formula: C4H6N4O3
与乙内酰脲有关的环状化合物;化学分子式: C4H6N4O3
语源- mid 19th cent.: from allantois(because it was discovered in the allantoic fluid of cows) + -in
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