Position and course The duodenum is a part of the small intestine and is the link between the stomach and the jejunum. It has a length of approximately 30 cm and is anatomically divided into 4 different sections depending on its course. After leaving the pylorus, the chyme reaches the upper part of the duodenum … Duodenum
Microscopic structure The different layers of the duodenum in cross-section correspond to those of the rest of the digestive tract. From the outside, the duodenum is surrounded by connective tissue (tunica adventitia), which contains both blood and lymph vessels. This is bordered by a muscle layer, the so-called tunica muscularis. It contains an outer longitudinal … Microscopic structure | Duodenum
Function of the duodenum The small intestine is divided into three sections. The first section, which directly adjoins the stomach, is the duodenum. It got its name because of its length of about 12 finger widths. After the stomach has mainly mechanically crushed the food and with the help of the gastric acid has almost … Function of the duodenum | Duodenum
