Meaning of the word peristalsis in English

What does peristalsis mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

peristalsis

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

Noun

the involuntary constriction and relaxation of the muscles of the intestine or other canal, creating wavelike movements that push the contents of the canal forward

Example:
The process of digestion relies heavily on peristalsis to move food through the digestive tract.
Lack of fiber in the diet can sometimes lead to sluggish peristalsis.