Neural regulation of GIT

Motility patterns– Peristalsis– Peristalsis is a reflex response that is initiated when the gut wall is stretched by the contents of the lumen, and it occurs in all parts of the gastrointestinal tract from the oesophagus to the rectum.  The stretch initiates a circular contraction behind the stimulus and an area of relaxation in front of it  The wave of contraction then moves in an oral-to-caudal direction, propelling the contents of the lumen forward at rates that vary from 2 to 25 cm/s.  Peristaltic activity can be increased or decreased by the autonomic input to the gut, but its occurrence … Continue reading Neural regulation of GIT