Lec 2 5 March 2012
Dr.Baybeen Selevany
Objectives:
Motor function( peristalsis)
Blood supply (splanchinc circulation)
Hormonal control
TYPES OF MOVEMENT(PERISTALSIS) IN THE GIT
1.Propulsive Movements ----peristalsis
2. Mixing movements e.g segmentation
Q:why atropine inhibit peristalsis?
Gastrointestinal Circulation : Splanchnic
Countercurrent” Blood Flow in the Villi.
Hormonal control
1.Gastrin
2.Cholecytokinin (CCK)
3. Secretin