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: Definition, Function, Anatomy, Diagram, and Conditions
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.
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).
The Small Intestine - Duodenum - Jejunum - Ileum
2024年4月21日 · 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, neurovascular supply, and clinical correlations.
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.
Jejunum | Complete Anatomy - Elsevier
The jejunum is the second part of the small intestine. It is intraperitoneal and sits in the abdominal cavity, deep to the umbilical region and separated from the anterior abdominal wall by the greater omentum which overlays it. The jejunum is attached to the posterior abdominal wall by the mesentery that carries the superior mesenteric ...
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.
The Jejunum: Anatomy and 3D Illustrations - Innerbody
2024年12月9日 · The jejunum is the middle segment of the small intestine found between the duodenum and the ileum. Most of the nutrients present in food are absorbed by the jejunum before being passed on to the ileum for further absorption.
Jejunum | anatomy | Britannica
The 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… Read More
Jejunum - Earth's Lab
2018年8月8日 · The jejunum is middle part of the small intestine in humans and most higher vertebrates. It lies between duodenum and the ileum. The jejunum arises from the duodenojejunal flexur.