Physiology In infants defecation often follows a meal. The cause of colonic contraction in this situation is ______ A Gastroileal reflex B Enterogastric reflex C Increased circulation of CCK D Gastrocolic reflex 💡 Explanation In infants defecation often follows a meal. The cause of colonic contraction in this situation is ______ ✓ Correct Answer: D. Gastrocolic reflex