Definition of peristalsis in English:

peristalsis

noun

Physiology
  • [mass noun] 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.

    • ‘Yoga helps your body reabsorb and expel gas by stimulating peristalsis, the muscle contractions that eliminate waste.’
    • ‘Waves of muscle contractions called peristalsis force food down through the esophagus to the stomach.’
    • ‘The pumps operate on the theory of peristalsis as is commonly seen in the human digestive system.’
    • ‘The initial colonization of the walls of the ureter is in areas of turbulent flow which leads to paralysis of peristalsis.’
    • ‘Capsule endoscopy uses a wireless video capsule that is swallowed by the patient and propelled by peristalsis.’

Origin

Mid 19th century: modern Latin, from Greek peristallein wrap around, from peri- around + stallein to place.

Pronunciation:

peristalsis

/ˌpɛrɪˈstalsɪs/