V2EX heart valve

Heart Valve

Definition / 释义

心脏瓣膜:位于心脏各腔室之间或心脏与大血管之间的“单向门”,负责让血液按正确方向流动,并防止回流。常见的有二尖瓣、三尖瓣、主动脉瓣和肺动脉瓣。(该词在不同语境下也可泛指“瓣膜”结构)

Pronunciation / 发音(IPA)

/hrt vlv/

Examples / 例句

The doctor said my heart valve is working normally.
医生说我的心脏瓣膜工作正常。

After the infection, he needed surgery to replace a damaged heart valve to prevent blood from flowing backward.
感染之后,他需要手术更换受损的心脏瓣膜,以防止血液倒流。

Etymology / 词源

heart 源自古英语 heorte,指“心脏”;valve 源自拉丁语 valva,原意为“门扇、门页”。两者组合成 heart valve,形象地把瓣膜比作“门”,强调其“开启关闭”的功能与“防回流”的作用。

Related Words / 相关词

Literary Works / 文学与著作中的用例

  • Gray’s Anatomy(《格雷解剖学》):在心脏解剖章节中常以 heart valve 或具体瓣膜名称讨论结构与功能。
  • The Emperor of All Maladies(《众病之王》):涉及化疗与感染等内容时,会谈及心脏相关并发症与瓣膜感染(语境中可出现 heart valve)。
  • The House of God(《上帝的房子》):以医院与临床训练为背景的小说,常出现包括心脏与瓣膜在内的医学术语与病例描写。
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