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  2. Mesentery - Wikipedia

    en.wikipedia.org/wiki/Mesentery

    The mesentery of the small intestine arises from the root of the mesentery (or mesenteric root) and is the part connected with the structures in front of the vertebral column. The root is narrow, about 15 cm long, 20 cm in width, and is directed obliquely from the duodenojejunal flexure at the left side of the second lumbar vertebra to the ...

  3. Peritoneum - Wikipedia

    en.wikipedia.org/wiki/Peritoneum

    The peritoneum is the serous membrane forming the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids.It covers most of the intra-abdominal (or coelomic) organs, and is composed of a layer of mesothelium supported by a thin layer of connective tissue.

  4. Mesentery (zoology) - Wikipedia

    en.wikipedia.org/wiki/Mesentery_(zoology)

    In zoology, a mesentery is a membrane inside the body cavity of an animal. The term identifies different structures in different phyla : in vertebrates it is a double fold of the peritoneum enclosing the intestines; in other organisms it forms complete or incomplete partitions of the body cavity, whether that is the coelom or, as in the ...

  5. Mesenteric arteries - Wikipedia

    en.wikipedia.org/wiki/Mesenteric_arteries

    Superior mesenteric artery and its branches in humans Inferior mesenteric artery and its branches in humans. The mesenteric arteries take blood from the aorta and distribute it to a large portion of the gastrointestinal tract.

  6. Superior mesenteric lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Superior_mesenteric_lymph...

    The mesenteric lymph nodes or mesenteric glands are one of the three principal groups of superior mesenteric lymph nodes and lie between the layers of the mesentery. They number from one hundred to one hundred and fifty, and are sited as two main groups:

  7. Development of the digestive system - Wikipedia

    en.wikipedia.org/wiki/Development_of_the...

    Initially, the gut tube from the caudal end of the foregut to the end of the hindgut is suspended from the dorsal body wall by dorsal mesentery. Ventral mesentery, derived from the septum transversum, exists only in the region of the terminal part of the esophagus, the stomach, and the upper portion of the duodenum. [2]

  8. Inferior mesenteric artery - Wikipedia

    en.wikipedia.org/wiki/Inferior_mesenteric_artery

    The IMA arises from the anterior aspect of the abdominal aorta. [2] [3]Its origin is situated at the L3 vertebral level, [2] [3] below the origins of the two renal arteries, [3] 3-4 cm above the aortic bifurcation, [3] [2] at the level of the umbilicus, and posterior to the inferior border of the horizontal (III) part of the duodenum.

  9. Paracolic gutters - Wikipedia

    en.wikipedia.org/wiki/Paracolic_gutters

    A less obvious medial paracolic gutter may be formed, especially on the right side, if the colon possesses a short mesentery for part of its length. The right (lateral) paracolic gutter runs from the superiolateral aspect of the hepatic flexure of the colon, down the lateral aspect of the ascending colon, and around the cecum.