Jejunum: Definition, Function, Anatomy, Diagram, and ...
2021年11月11日 · 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
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 nutrient molecules which have been previously digested by enzymes in the duodenum.
Jejunum: Anatomy, histology, function, composition | Kenhub
2023年10月30日 · 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
2024年4月21日 · 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
2022年11月9日 · The jejunum is the middle portion of the small intestine, connecting the first portion of the small intestine (duodenum) with the last section (ileum).
Jejunum | Complete Anatomy - Elsevier
The 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
2018年9月4日 · 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 of the jejunum | Physiology of the jejunum ...
2024年5月4日 · 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.
Small intestine: Anatomy, location and function | Kenhub
2023年11月3日 · The jejunum is the second part of the small intestine. It begins at the duodenojejunal flexure and is found in the upper left quadrant of the abdomen . The jejunum is entirely intraperitoneal as the mesentery proper attaches it to the posterior abdominal wall.
Jejunum - Radiology In Plain English
2024年3月3日 · The jejunum is the middle section of the small intestine, sandwiched between the duodenum and the ileum. It is a vital component in the digestive process, responsible for absorbing nutrients and minerals from digested food into the bloodstream. Structure and Location of the Jejunum.