Food causes reflex defecation?
Ans. is'c'i.e., Gastrocolic reflex[Rel Guyton llth/e p. 771)Appearance of mass movements after a rneal is facilitated by gastrocolic and duodenum reflexes.These reflexes result from the distension of the stomach and duodenum.The best example of gastrocolic reflex is seen in early infancy where defecation often follows a meal.
Enterogastric reflex
Defecation reflex
Gastrocolic reflex
Rectoanal reflex