This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Small intestinal peristalsis is controlled by : 
Select and explain. 
A. Myentric plexus, B. Meissners plexus, C. Vagus nerve, D. Para sympathetic system
A: Myentric plexus
Answer: A: Myentric plexus 
Explanation: Myenteric (Auerbach&;s) plexus is situated b/w and innervates outer longitudinal & middle circular muscular layers and is primarily concerned with motor controlQ. Submucosal (meissner&;s) plexus situated between middle circular layer and mucosa is primarly concerned with control of intestinal secretionQ as it innervates glandular epithelium, intestinal endocrine cells & submucosal blood vessels. Ref: Guyton 12th Ed.