The Movements of the Intestines studied by Means of the Röntgen Rays.

Introduction .......................... The method .......................... The movements of the small intestine ................. Rhythmic segmentation of the intestinal contents .......... Peristalsis ........................ Rhythmic segmentation and the pendulum movement ........ The course of the food in the small intestine ........... The competence of the ileocaecal valve ................ The movements of the large intestine ................. Antiperistalsis in the colon .................. The changes when food enters the colon ............. The appearance of tonic constrictions .............. Defecation .......................... The question of antiperistalsis ................... The effect of emotions and sleep .................. BY