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Passing of a portion of a structure into another part of the same structure, such as the invagination of a part of the intestine.



the expansion of the cell wall in plants as a result of the introduction of new molecules of cellulose and protopectin into the already formed wall. Intussusception was previously contrasted to apposition, that is, the growth of the wall through the deposit of new layers from inside (from the protoplasm). Actually, both apposition and intussusception are observed during the growth and thickening of the cell wall.

References in periodicals archive ?
Small bowel obstruction due to retrograde intussusception after laparoscopic Roux-en-Y gastric bypass.
1) As the bezoar enlarges, it causes compression and mechanical irritation of the intestinal mucosa, leading to complications such as chronic inflammation, ulceration, perforation, intussusception and obstruction.
In intussusception the bowel telescopes, as if it were swallowing itself.
Intussusception mostly affects healthy baby boys under 12 months of age.
Surgical correction of a colonic prolapse/ intussusception in a red-shouldered hawk (Buteo lineatus).
Intussusception describes the process by which one portion of bowel telescopes inside an adjacent portion of bowel, leading to intestinal obstruction and ultimately causing bowel necrosis due to vascular compromise.
When evaluating abdominal pain, the physician should rule out appendicitis, volvulus (twisted intestine), intussusception (an unfolding of one segment of an intestine within another) and abdominal aortic aneurysm.
Sam said: "I would urge people to look out for the signs of intussusception, which is more common in boys aged eight months to two years.
As you looked into the glass orbs and saw the lineaments of the surrounding space warped in them nearly to the point of illegibility, they became instruments of reflection (pardon the pun) on the kinds of spatial distortion practiced in Davie's paintings - distortions that record the intersection between the work's self-containment and its absorption or intussusception of the world.
A young child with a history of vomiting over a period of 72 hours needed emergency surgery to remove an intestinal obstruction due to intussusception.
The unique case presented in this report describes an adult patient with a retrograde jejunoduodenogastric intussusception secondary to a gastrostomy feeding tube.