Duodenum Anatomy

The most proximal portion of the small intestine is the duodenum. The duodenum is the first part of the small intestine 5 7 m.

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Arterial blood supply is via the celiac trunk and superior mesenteric artery.

Duodenum anatomy. The supply of blood to the duodenum is carried by the anterior and posterior superior pancreaticoduodenal arteries branches of the gastroduodenal artery and the inferior pancreaticoduodenal artery branch of the superior mesenteric artery which form an arterial arcade. Duodenum the first part of the small intestine which receives partially digested food from the stomach and begins the absorption of nutrients. It lies between the stomach and jejunum and is very important because it receives the openings of the bile and pancreatic ducts.

The duodenum is the shortest segment of the intestine and is about 23 to 28 cm 9 to 11 inches long. Duodenum means twelve in latin and the name derives from the belief that it measured. The duodenum is a 20 30 cm c shaped hollow viscus predominantly on the right hand side of the vertebral column.

In humans the duodenum is a hollow jointed tube about 2538 cm 1015 inches long connecting the stomach to the jejunum. Lymphatic drainage of the duodenum. Innervation of the duodenum is via the celiac and superior mesenteric plexuses.

On anatomic and functional grounds the duodenum can be divided into four segments. It receives partially digested food known as chyme from the stomach and plays a vital role in the chemical digestion of chyme in preparation for absorption in the small intestine. The duodenum is the first and shortest segment of the small intestine.

The first superior part or duodenal bulb or cap 5 cm. It runs from the pylorus of the stomach to the duodenojejunal junction. Anatomy of the duodenum blood supply to the duodenum.

Nerve supply to the duodenum. The duodenum precedes the jejunum and ileum and is the shortest part of the small intestine. The superior duodenal bulb descending horizontal and.

It is a c shaped tube about 10 inches long. The wall of the duodenum contains the same 4 layers. It begins with the duodenal bulb and ends at the suspensory muscle of duodenum.

The duodenum can be divided into four parts. In malrotation of gut. Together these parts form a c shape that is around 25cm long and which wraps around the head of the pancreas.

It is roughly horseshoe shaped with the open end up and to the left and it lies behind the liver. Many chemical secretions from the pancreas liver and gallbladder mix with the chyme in the duodenum to facilitate chemical digestion. Superior descending inferior and ascending.

Duodenum is the first part of small intestine that joints the stomach at the pylorus. It can be divided into four parts. Its name is derived from the latin duodenum digitorum meaning twelve fingers length.

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