V2EX eicosanoid

Eicosanoid

定义 Definition

eicosanoid(类二十烷酸):一类由20 个碳的不饱和脂肪酸(常见如花生四烯酸)衍生的信号分子,包括前列腺素、血栓素、白三烯等,参与炎症反应、免疫调节、血小板聚集、血管张力与平滑肌收缩等过程。(在生物医学语境中最常用;该词也可泛指这类脂质介质家族。)

例句 Examples

Eicosanoids help regulate inflammation in the body.
类二十烷酸帮助调控体内的炎症反应。

Because eicosanoids are produced locally and act quickly, small changes in their synthesis can strongly affect blood vessel tone and pain signaling.
由于类二十烷酸在局部生成并迅速起效,其合成的微小变化也可能显著影响血管张力与疼痛信号传导。

发音 Pronunciation (IPA)

/aksnd/(英式常见)
/aksnd/(美式常见)

词源 Etymology

来自 **eicosa-**(源于希腊语 eikosi,意为“二十”)+ -oid(“……样的/类似……的”)。字面意思可理解为“与二十碳相关/类似的(化合物)”,对应其通常由 C20 脂肪酸衍生这一特征。

相关词 Related Words

文学与经典著作 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼与吉尔曼:药理学基础》)
  • Robbins & Cotran Pathologic Basis of Disease(《罗宾斯与科特兰:疾病的病理学基础》)
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