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Discussion groups on Mesentery. Patient Handouts on Mesentery. In the past, the researchers thought the mesentery was made up of several separate structures. However, a article published in The Lancet: Gastroenterology and Hepatology provided enough evidence to classify the mesentery as a single, continuous organ.
The mesentery is found in your abdomen, where it surrounds your intestines. It comes from the area on the back side of your abdomen where your aorta branches off to another large artery called the superior mesenteric artery.
This is sometimes referred to as the root region of the mesentery. The mesentery fans out from this root region to its locations throughout your abdomen. The mesentery attaches your intestines to the wall of your abdomen. This keeps your intestines in place, preventing it from collapsing down into your pelvic area. This than lead to blocked blood vessels or tissue death in the abdomen, which are both serious conditions. Your mesentery also contains lymph nodes.
Lymph nodes are small glands that are located throughout your body that help to fight off infections. They contain several types of immune cells and can trap pathogens, such as viruses and bacteria. Lymph nodes in the mesentery can sample bacteria from your intestines and generate an immune response when necessary. Your mesentery can also produce a protein called C-reactive protein CRP , which is a sign of inflammation.
This new understanding of the mesentery and how it functions could be a game changer for how doctors understand and treat certain conditions. This inflammation can lead to pain, diarrhea, and trouble absorbing nutrients from food. Fat cells in the mesentery can produce proteins that are associated with inflammation, including CRP. The mesentery is a newly classified organ in your abdomen. Mesenteric panniculitis is an inflammation of fatty tissue in your abdomen.
In come cases, parietal and visceral peritoneum are also continuous along the ventral abdomen, where they are called ventral mesentery. Some organs protrude into the abdominal cavity, but are not encased in visceral peritoneum. The kidneys lay in this type of position and are said to in a retroperitoneal location. The term mesentery tends to be used as a generic term describing peritoneal extensions not only from the intestine as - entery implies , but from all abdominal and pelvic organs.
To be more precise, and less offensive to language purists, sections of peritoneum that suspend specific organs are individually named; for example, mesogastrium for the stomach, mesojejunum for the jejunum and mesometrium for the uterus.
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