PERISTALTIC - definitie. Wat is PERISTALTIC
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Wat (wie) is PERISTALTIC - definitie

A WAVELIKE SEQUENCE OF MUSCULAR CONTRACTION AND RELAXATION THAT PASSES ALONG A TUBELIKE STRUCTURE, SUCH AS A VERTEBRATE INTESTINE, OR THE BODY OF AN EARTHWORM
Peristaltic action; Visible peristalsis; Peristaltic; Peristalses; Peristaltically; Peristaltics; Peristaltic reflex; Gut motility; Peristaltic movement; Peristaltic motion; Esophageal peristalsis; Peristaltic contraction; Mass movement (biology); Peristaltic wave
  • A time-space diagram of a peristaltic wave after a water swallow. High-pressure values are red, zero pressure is blue-green. The ridge in the upper part of the picture is the high pressure of the upper esophageal sphincter which only opens for a short time to let water pass.

Peristaltic         
·adj Applied to the peculiar wormlike wave motion of the intestines and other similar structures, produced by the successive contraction of the muscular fibers of their walls, forcing their contents onwards; as, peristaltic movement.
peristalsis         
[?p?r?'stals?s]
¦ 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.
Derivatives
peristaltic adjective
peristaltically adverb
Origin
C19: mod. L., from Gk peristallein 'wrap around'.
Peristalsis         
·noun Peristaltic contraction or action.

Wikipedia

Peristalsis

Peristalsis ( PERR-ih-STAL-siss, US also -⁠STAWL-) is a radially symmetrical contraction and relaxation of muscles that propagate in a wave down a tube, in an anterograde direction. Peristalsis is progression of coordinated contraction of involuntary circular muscles, which is preceded by a simultaneous contraction of the longitudinal muscle and relaxation of the circular muscle in the lining of the gut.

In much of a digestive tract such as the human gastrointestinal tract, smooth muscle tissue contracts in sequence to produce a peristaltic wave, which propels a ball of food (called a bolus before being transformed into chyme in the stomach) along the tract. The peristaltic movement comprises relaxation of circular smooth muscles, then their contraction behind the chewed material to keep it from moving backward, then longitudinal contraction to push it forward.

Earthworms use a similar mechanism to drive their locomotion, and some modern machinery imitate this design.

The word comes from New Latin and is derived from the Greek peristellein, "to wrap around," from peri-, "around" + stellein, "draw in, bring together; set in order".

Voorbeelden uit tekstcorpus voor PERISTALTIC
1. It may also improve appetite and regulate peristaltic movements of the gastro–intestinal tract,» said the study.
2. And next thing you know, a bluebottle, beguiled no doubt by the glitter, sends the dewdrops flying, eight horrible legs spring from beneath a leaf, and the peristaltic muesli churns in your gut as Mother Natures magical vignette becomes just another munchy footnote to Sir David Attenboroughs CV.