V2EX prothrombin

Prothrombin

释义 Definition

凝血酶原:一种由肝脏合成的血浆蛋白(凝血因子 II),在凝血过程中会被激活并转化为凝血酶(thrombin),从而帮助血液形成血块止血。(也常与维生素 K 相关)

发音 Pronunciation

/proθrmbn/

例句 Examples

Prothrombin helps your blood clot after a cut.
凝血酶原会在割伤后帮助你的血液凝固。

A low prothrombin level can increase the risk of bleeding during surgery.
凝血酶原水平偏低可能会增加手术中出血的风险。

词源 Etymology

prothrombin 由 **pro-**(“前、先于”)+ thrombin(“凝血酶”,与血栓/凝固相关)构成,字面意思是“凝血酶之前的物质”,强调它是凝血酶的前体(前体蛋白)。

相关词 Related Words

文学作品中的用例 Literary Works

  • 《Guyton and Hall Textbook of Medical Physiology》(《盖伊顿与霍尔医学/生理学教科书》):讨论凝血级联反应时常出现 prothrombin(如“prothrombin → thrombin”的转化)。
  • 《Robbins and Cotran Pathologic Basis of Disease》(《罗宾斯病理学基础》):在血栓形成、凝血障碍与抗凝治疗相关章节中使用 prothrombin 这一术语。
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