The results showed that in the myenteric plexuses 24%of positive neurons existed in the caecum,20.1% in the ascending colon,27.9%in the descending colon and 19.4%in the rectum.

• 结果表明：大肠各段肌间神经丛中阳性神经元分别为24%25（盲肠）、20.；1%25（升结肠）、27