Peristalsis (mass movement) of large intestine following a meal is due to _____ reflex a. enterogastric...

Peristalsis (mass movement) of large intestine following a meal is due to _____ reflex

a.
enterogastric

b.
gastroileal

c.
gastrocolic

Solutions

Expert Solution

option C is correct....gastrocolic reflex

gastrocolic reflex in large intestine: mass movements often tend to be triggered by meals, as the presence of chyme in stomach and deodenum promptes them .this overall process is called gastrocolic reflex.

A) enterogastric : it is a nervous reflex where by stretching of the wall of the deodenum results in inhibition of gastric motility and reducing rate of emptying of the stomach.

it is a feedback mechanism to regulate the rate at which partially digested food(chyme) leaves the stomach and enters the small intestine.

B)gastroileal reflex is one of the three extrensic reflexes of the gastrointestinal reflexes, the other two being the gastrocolic reflex and enterogastric reflex.

gastroileal : it works with the gastrocolic reflex to stimulate the urge to defecate.
this urge is stimulated by the opening of the ileaocecal valve and the movement of digested contents from the ilium of the small intestine into the colon for compaction.

Sydney Mullin answered 1 year ago

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