V2EX contractility

Contractility

释义 Definition

收缩性;(尤指)心肌收缩力:指肌肉组织(特别是心肌)在刺激下产生收缩并产生力量的能力,是生理学与医学中常用术语。除医学外,在一般语境中也可泛指“可收缩的性质/能力”。

发音 Pronunciation (IPA)

/kntrktlti/(美式)
/kntrktlti/(英式)

例句 Examples

The drug increases cardiac contractility.
这种药物会增强心肌收缩力。

In heart failure, reduced contractility can lower the amount of blood the heart pumps with each beat.
在心力衰竭中,收缩性下降会减少心脏每次搏动所泵出的血量。

词源 Etymology

contractility 来自 contract(收缩、缩短),其词根源于拉丁语 contrahere(“拉拢、收缩”,由 con- “一起” + trahere “拉”构成),再加上名词后缀 -ility(表示“性质、能力”)。整体含义即“具有收缩的能力/性质”,在医学上多指“心肌产生收缩力量的能力”。

相关词 Related Words

文学与著作 Literary Works

  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》):在心血管生理章节中频繁讨论 cardiac contractility 及其调控因素。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在心力衰竭、休克等主题中使用 contractility 描述心脏泵功能的关键指标。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯病理学》):在心肌病、缺血性损伤等内容中涉及影响心肌收缩性的病理机制。
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