peristalsis

noun

UK/ˌper.ɪˈstæl.sɪs/
US/ˌper.ɪˈstɑːl.sɪs/

Definitions of peristalsis noun

  1. Uncountable(不可数名词)biology(生物学)

    The involuntary, wave-like contractions of the smooth muscles in the digestive tract, which propel food and waste through the body.

    蠕动

    • The peristalsis of the digestive system is crucial for effective nutrient absorption.

      消化系统的蠕动对于有效的营养吸收至关重要。

    • Food is moved down the esophagus to the stomach through peristalsis.

      食物通过蠕动从食道被运送到胃部。

    • The peristalsis of the intestines helps to move waste out of the body.

      肠道的蠕动有助于将废物排出体外。