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Intussusception is a medical condition in which a part of the intestine folds into the section immediately ahead of it. [1] It typically involves the small intestine and less commonly the large intestine. [1] Symptoms include abdominal pain which may come and go, vomiting, abdominal bloating, and bloody stool. [1]
The circular folds slow the passage of the partly digested food along the intestines, and afford an increased surface for absorption. [5] They are covered with small finger-like projections called villi (singular, villus). Each villus, in turn, is covered with microvilli. The microvilli absorb fats and nutrients from the chyme.
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus.The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines.
Gastroenteritis, often called the “stomach flu,” is an infection in your stomach and intestines. It causes symptoms like diarrhea, nausea, vomiting, and cramps, notes Dr. Boxer.
Volvulus causes severe pain and progressive injury to the intestinal wall, with accumulation of gas and fluid in the portion of the bowel obstructed. [11] Ultimately, this can result in necrosis of the affected intestinal wall, acidosis, and death. This is known as a closed-loop obstruction because there exists an isolated ("closed") loop of bowel.
The Finney strictureplasty is performed by folding the diseased bowel on itself and creating a large opening between the two loops. This strictureplasty can be used to address longer strictures (>7 cm and ≤15 cm) than those manageable with the Heineke-Mikulicz technique (usually performed for strictures up to 7 cm). [1]
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The small intestine develops from the midgut of the primitive gut tube. [18] By the fifth week of embryological life, the ileum begins to grow longer at a very fast rate, forming a U-shaped fold called the primary intestinal loop. The loop grows so fast in length that it outgrows the abdomen and protrudes through the umbilicus. By week 10, the ...