Jejunum: Definition, Function, Anatomy, Diagram, and Conditions
WEBNov 11, 2021 · The jejunum makes up about two-fifths of the small intestine. The main function of the jejunum is absorption of important nutrients such as sugars, fatty acids, and amino acids.
Jejunum - Wikipedia
WEBThe jejunum is the second part of the small intestine in humans and most other higher vertebrates, including mammals, reptiles, and birds. Its lining is specialized for the absorption by enterocytes of small nutrient molecules which have been previously digested by enzymes in the duodenum .
Jejunum: Anatomy, histology, function, composition | Kenhub
WEBOct 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 and superior mesenteric plexi together with the vagus nerve.
The Small Intestine - Duodenum - Jejunum - Ileum
WEBApr 21, 2024 · The jejunum and ileum are the distal two parts of the small intestine. In contrast to the duodenum, they are intraperitoneal. They are attached to the posterior abdominal wall by mesentery (a double layer of peritoneum). The jejunum begins at the duodenojejunal flexure.
What Is the Jejunum and What Is Its Function? - Verywell Health
WEBNov 9, 2022 · The jejunum is the middle portion of the small intestine, connecting the first portion of the small intestine (duodenum) with the last section (ileum).
Small Intestine: Function, anatomy & Definition - Cleveland Clinic
WEBDec 8, 2021 · In the jejunum and the ileum, the mucosa secretes small amounts of digestive enzymes and lubricating mucus while absorbing nutrients from your food. Each section is designed to absorb different nutrients, as well as water.
Jejunum | Complete Anatomy - Elsevier
WEBThe jejunum is the middle segment of the small intestine between the duodenum and the ileum. Learn about the jejunum's structure, function, and its role in digestion. Understand its arterial supply, venous drainage, innervation, and lymphatic drainage.
Jejunum - Location, Structure, Function, Anatomy & Pictures
WEBSep 4, 2018 · The jejunum’s main function is to absorb micro and macro nutrients contained within the ingested foods and to move the foods and liquids further through the digestive tube in order to complete the digestion process. The anatomy of the jejunum is best explained with its main function in focus.
The Jejunum: Anatomy and 3D Illustrations - Innerbody
WEB5 days ago · The jejunum is made of four distinct tissue layers that work together to give the organ its function. The innermost layer, the mucosa, surrounds the hollow lumen and provides contact between the jejunum and chyme. It is made of folds of epithelial tissue specialized for absorption of nutrients.
Anatomy, Abdomen and Pelvis, Small Intestine - StatPearls - NCBI …
WEBApr 20, 2024 · 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 intraperitoneally. The jejunum contains plicae circulares (muscular flaps or valves of Kerckring) and villi.
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