Digestive reflexes Flashcards
1
Q
What are the Three digestive reflexes?
A
Gastroileal,
Gastrocolic,
Defecation.
2
Q
Describe the Gastroileal reflex
A
Initiated by distension of the stomach.
-Intensifies peristalsis of the small intestine.
3
Q
Describe the Gastrocolic reflex
A
Initiated by distension of the stomach.
-Intensifies peristalsis in the colon.
4
Q
Describe the Defecation reflex
A
Initiated by distension of the rectum.
-Control centre is the Sacral spinal cord.
-Lower colon & rectal walls contract, internal anal sphincter releases.