V2EX diastole

Diastole

释义 Definition

diastole(名词):(心脏的)舒张期,指心肌放松、心室(或心房)充血、血液流入心腔的阶段。常与 systole(收缩期)相对。(在少数语境中也可泛指任何“扩张/张开”的过程。)

发音 Pronunciation

/das.t.li/

例句 Examples

During diastole, the heart relaxes and fills with blood.
在舒张期,心脏放松并充满血液。

A murmur heard in diastole can suggest a problem with the heart valves, so the doctor ordered further tests.
如果在舒张期听到杂音,可能提示心脏瓣膜存在问题,因此医生安排了进一步检查。

词源 Etymology

源自希腊语 diastolē,本义与“拉开、扩张”相关;其中 dia- 表示“分开、穿过”,词根 -stol- 与“放开、展开(引申为扩张)”有关。后来在医学语境中专指心脏“放松、充盈”的阶段,即“舒张期”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):在心脏生理与循环系统章节中常以 diastole 说明心动周期。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在心血管疾病、体征与血压相关内容中频繁出现(如“diastolic”相关表述)。
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学(生理学)教科书》):用于解释心室充盈、瓣膜功能与心动周期的关键术语。
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