| If it is exactly in the midline, it may be the duodenal bulb, the pylorus, or the distal antrum. |
| In patients with simple gastroenterostomy, an attempt was first made through pylorus. |
| A septum of connective tissue separates the circular muscle layers of the pylorus and duodenum. |
| A clear catheter entered the stomach at the gastrostomy site and had passed the pylorus into the duodenum. |
| The muscle of the pylorus does, however, show the high degree of myogenic tone characteristic of other sphincters. |
| Unless a duodenal switch is performed to lessen absorption, the pylorus and small intestine remain intact. |
