V2EX pepsin

Pepsin

释义 Definition

胃蛋白酶:一种由胃黏膜分泌、在酸性环境中起作用的消化酶,主要帮助分解蛋白质。(也常指其前体 pepsinogen 的活化产物。)

发音 Pronunciation (IPA)

/ppsn/

例句 Examples

Pepsin helps digest proteins in the stomach.
胃蛋白酶帮助在胃中消化蛋白质。

In a highly acidic environment, pepsin breaks large proteins into smaller peptides.
在强酸性环境中,胃蛋白酶将大分子蛋白质分解成更小的多肽。

词源 Etymology

pepsin 来自希腊语词根 pepsis,意为“消化”,与表示“使消化”的概念相关。该词在现代生理学与医学语境中用于指胃内的主要蛋白水解酶。

相关词 Related Words

文学作品 Literary Works

  • Ivan Pavlov The Work of the Digestive Glands(《消化腺的工作》):涉及胃液与蛋白消化过程时常会提到胃蛋白酶/相关消化酶体系。
  • Sherwood L. Washburn(编) Physiology of Digestion(消化生理学相关著作/教材类作品):在讲解胃内蛋白质分解时常出现 pepsin
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