peristalsis
/ˌperɪˈstælsɪs/noun
mass noun
- Physiology the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements which push the contents of the canal forward【生理】蠕动。
派生词
peristaltic
adjectiveperistaltically
adverb词源
mid 19th cent.: modern Latin, from Greek peristallein 'wrap around', from peri- 'around' + stallein 'to place'.