Open Anatomy Atlas

Visceral systems

Duodenum

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System
Visceral systems
Regions
Trunk, Abdomen
Part of
Small intestine
Duodenum highlighted in a 3D model of the human body
3D model: Z-Anatomy - The libre 3D atlas of anatomy - CC-BY-SA 4.0

DescriptionUnreviewed

The duodenum is the first section of the small intestine in most higher vertebrates, including mammals, reptiles, and birds.

In fish, the divisions of the small intestine are not as clear, and the terms anterior intestine or proximal intestine may be used instead of duodenum.

In mammals the duodenum may be the principal site for iron absorption. The duodenum precedes the jejunum and ileum and is the shortest part of the small intestine. In humans, the duodenum is a hollow jointed tube about 25–38 cm (10–15 inches) long connecting the stomach to the jejunum.

It begins with the duodenal bulb and ends at the suspensory muscle of duodenum.

It can be divided into four parts.

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Source: Wikipedia · Text licence: CC BY-SA 3.0 · This text comes from the source data and has not been reviewed by a person yet.

Names

Latin
Duodenum
English
Duodenum
French
Duodénum
Spanish
Duodeno
Portuguese
Duodeno

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