The jejunum is the second part of the small intestine in humans and most higher vertebrates, including mammals, reptiles, and birds. Its lining is specialized for the absorption by enterocytes of small …

Oct 30, 2018 · The jejunum is one of three sections that make up the small intestine. Learn about its function and anatomy, as well as the conditions that can affect it.

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 structure, …

The jejunum is the middle segment of the small intestine, positioned between the duodenum and the ileum. It is a major site for nutrient absorption, including carbohydrates, amino acids, and vitamins.

The jejunum This section of your small intestine is 8 feet long. It lays in many coils inside the lower abdominal cavity. The jejunum is dark red because it has many blood vessels. It has muscles that …

Nov 2, 2025 · The jejunum is the upper portion of the small intestine which connects to the duodenum at one end (at the duodenojejunal flexure) and to the ileum at the other end.

Feb 18, 2025 · The jejunum is the small intestine's middle segment, roughly 2.5 meters long. This portion begins at the duodenojejunal junction, where the gastrointestinal tract continues …

The small intestine is a long tube-like organ that connects the stomach to the large intestine. The small intestine includes the duodenum, jejunum, and ileum.

The jejunum and ileum (Latin: jejunum et ileum) are the middle and final portions of the small intestine. They are located in the abdominal cavity with the loops of the ileum also extending into the pelvic cavity.

Oct 30, 2023 · The jejunum is the middle of the three parts of the small intestine between the duodenum and ileum. Its arterial supply is provided by the jejunal arteries, while the innervation by the celiac …