V2EX myoglobin

Myoglobin

Definition / 定义

肌红蛋白:一种存在于骨骼肌和心肌细胞中的含铁蛋白质,负责储存并促进氧在肌肉内的运输。在剧烈运动或缺氧时帮助肌肉更快获得氧;肌肉损伤时可释放入血。

Pronunciation / 发音

/malobn/

Examples / 例句

Myoglobin helps muscles store oxygen.
肌红蛋白帮助肌肉储存氧气。

After the accident, doctors tested his blood for myoglobin to check for muscle damage.
事故后,医生检测他血液中的肌红蛋白,以判断是否存在肌肉损伤。

Etymology / 词源

myo- 来自希腊语 mys(“肌肉”),**-globin** 源自 “globin(球蛋白)”,与 globe(球形)同源,暗示这类蛋白常呈球状结构。合起来表示“肌肉中的球蛋白”,即肌肉内与携氧相关的蛋白质。

Related Words / 相关词

Literary Works / 文学作品

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • John M. Berg 等 Biochemistry(常见译名《生物化学》教材)
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