In mammals, it may be the principal site for iron absorption. The duodenum precedes the jejunum and ileum and is the shortest part of the small intestine.

Sep 7, 2025 · The duodenum is the first section of the small intestine. Learn more about how it functions, and diseases that can affect it, such as ulcers and celiac disease.

Nov 6, 2025 · Anatomically, the small bowel can be divided into three parts: the duodenum, jejunum, and ileum. In this article, we shall examine the anatomy of the small intestine – its …

Dec 31, 2025 · Learn about the anatomy and role of the duodenum in digestion with Innerbody's interactive 3D model.

What is the duodenum? The duodenum is the first part of your small intestine. Despite what the name suggests, your “small” intestine is the longest part of your digestive tract and plays a big …

Oct 9, 2024 · After foods mix with stomach acid, they move into the duodenum, where they mix with bile from the gallbladder and digestive juices from the pancreas. The absorption of …

The duodenum is supplied by both the celiac trunk and the superior mesenteric artery. From the celiac trunk, the gastroduodenal artery is a branch of the hepatic artery and serves the …

duodenum (DOO-ah-DEE-num) The first part of the small intestine. It connects to the stomach. The duodenum helps to further digest food coming from the stomach. It absorbs nutrients …

Learn about duodenum anatomy including duodenum location, function and duodenum problems

The small intestine which is directly distal of the stomach separated with pyloric sphincter can be divided into 3 sections each with their unique features and histology: the duodenum, jejunum, …