V2EX xanthine

Xanthine

Definition 定义

黄嘌呤:一种嘌呤类含氮化合物,广泛存在于人体组织和体液中,是嘌呤代谢过程中的中间产物;在体内可在黄嘌呤氧化酶作用下进一步转化为尿酸。在茶、咖啡等中也可间接相关(常见的是其衍生物/同类物质,如咖啡因等)。

Pronunciation 发音

/znθin/(也常见 /znθn/)

Examples 例句

Xanthine is present in small amounts in many human tissues.
黄嘌呤在许多人类组织中以少量存在。

In purine metabolism, xanthine can be converted into uric acid by xanthine oxidase, which is why this pathway matters in gout.
在嘌呤代谢中,黄嘌呤可在黄嘌呤氧化酶作用下转化为尿酸,因此这一通路与痛风密切相关。

Etymology 词源

xanthine 来自希腊语 xanthos(意为“黄色”)+ 化学名词后缀 -ine。之所以与“黄色”相关,是因为早期研究中与之相关的一些化合物/衍生物呈黄色或与黄色色素有关联,因此得名。

Related Words 相关词

Literary Works 文学作品

(该词更常见于医学与生物化学经典教材/专著中,而非小说等文学作品。)

  • Harrison’s Principles of Internal Medicine
  • Lehninger Principles of Biochemistry
  • Robbins and Cotran Pathologic Basis of Disease
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics
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