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.

“Duodenum,” translated from Latin, means “12 fingers,” a reference to its size. The length of your duodenum is approximately the width of 12 fingers placed side by side. To put this in perspective, …

Sep 7, 2025 · As part of the gastrointestinal tract, the duodenum plays an important role in digestion, enabling the absorption of nutrients from food (including vitamins, minerals, carbohydrates, fats, and …

It is roughly horseshoe-shaped, with the open end up and to the left, and it lies behind the liver. On anatomic and functional grounds, the duodenum can be divided into four segments: the superior …

Oct 9, 2024 · The duodenum is the first part of the small intestine. It is located between the stomach and the middle part of the small intestine, or jejunum. After foods mix with stomach acid, they move into …

Mar 6, 2025 · The duodenum is the first part of the small intestine (3-8.5 m), followed by the jejunum and ileum (in that order); it is also the widest, shortest (25 cm), and most predictably located part of...

First portion of the small intestine. The duodenum is the first and shortest section of the small intestine, playing a critical role in the initial phase of digestion following gastric emptying.

With regards to the function of the duodenum, it first receives chyme from the stomach and mixes in several digestive enzymes from the pancreas, liver and gallbladder. These enzymes flow from the …

Dec 26, 2025 · The duodenum (plural: duodena or duodenums) is the first part of the small intestine and is the continuation of the stomach. The duodenum is a 20-30 cm C-shaped hollow viscus …

The duodenum is made up of four primary segments: superior, descending, horizontal, and ascending duodenum. These are also known as the first, second, third, and fourth parts of the duodenum, …