Jejunum - Wikipedia
WebThe 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: Definition, Function, Anatomy, Diagram, and Conditions
WebOct 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.
What Is the Jejunum and What Is Its Function? - Verywell Health
WebNov 9, 2022 · Learn about the middle portion of the small intestine called the jejunum. Find out what its function is and what can go wrong.
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.
Small Intestine: Function, anatomy & Definition - Cleveland Clinic
WebJejunum. The remaining small intestine lays in many coils inside the lower abdominal cavity. Its middle section, called the jejunum, makes up a little less than half of this remaining length. The jejunum is characterized by many blood vessels, which give it a deep red color. Ileum. The ileum is the last and longest section of the small intestine.
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.
Jejunum | Complete Anatomy - Elsevier
WebLearn about the jejunum's structure, function, and its role in digestion. Understand its arterial supply, venous drainage, innervation, and lymphatic drainage.
Jejunum | anatomy | Britannica
WebThe second region, the jejunum, in the central section of the abdomen, comprises about two-fifths of the remaining tract. The colour of the jejunum is deep red because of its extensive blood supply; its peristaltic movements are rapid and vigorous, and there is little fat in the mesentery that…
Small intestine: Anatomy, location and function | Kenhub
WebNov 3, 2023 · 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 …
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