V2EX cristae

Cristae

释义 Definition

cristae(复数名词):指某些器官或细胞结构中的“嵴/褶皱”。最常见用法是指线粒体内膜向内折叠形成的嵴(线粒体嵴),用来增加膜表面积,从而支持能量代谢过程(如ATP生成)。在解剖学中也可指其他“嵴状结构”(例如内耳相关结构)具体含义需看上下文。

发音 Pronunciation (IPA)

/krsti/

例句 Examples

Mitochondria have cristae.
线粒体具有嵴(内膜褶皱)。

Damage to the cristae can reduce the surface area of the inner membrane and impair ATP production.
嵴的损伤会减少内膜表面积,从而影响ATP的生成。

词源 Etymology

来自拉丁语 crista,意为“鸡冠、冠状物、嵴”,cristae 是其复数形式。由于这些结构外形像“隆起的脊/冠”,因此在生物学与解剖学中被用来命名各种“嵴状”结构,尤其常见于线粒体内膜的褶皱。

相关词 Related Words

文学与经典作品 Literary Works

  • Campbell Biology(《坎贝尔生物学》):在线粒体结构与细胞呼吸章节中频繁出现 cristae
  • Molecular Biology of the Cell(Alberts,《细胞的分子生物学》):讨论线粒体内膜与能量转换时使用该词。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在氧化磷酸化与线粒体结构相关内容中出现该词。
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