V2EX peristalsis

Peristalsis

释义 Definition

蠕动(作用):消化道等中空器官壁的肌肉进行有节律的收缩与舒张,把食物、液体或其他内容物向前推进的运动。常见于食道、胃肠道等。(也可用于更广义的“推进性波动”。)

发音 Pronunciation

/perstlss/

例句 Examples

Peristalsis moves food from the esophagus to the stomach.
蠕动会把食物从食道推送到胃里。

After surgery, the doctor monitored her bowel sounds to see whether peristalsis had returned.
手术后,医生通过听诊肠鸣音来观察她的肠蠕动是否恢复。

词源 Etymology

来自新拉丁语 peristalsis,源于希腊语 peristaltikos(意为“环绕收缩的、挤压推进的”),由 **peri-**(“周围、环绕”)+ stellein(“使收缩、使收紧”)构成,因此其核心概念是“围绕性收缩产生推进”。

相关词 Related Words

文学作品 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》;解剖与生理学经典教材中常用于描述消化道运动)
  • Principles of Anatomy and Physiology(《解剖学与生理学原理》;常见于生理学章节对胃肠动力的说明)
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学(人体)生理学》;在胃肠道生理部分频繁出现)
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