|1.||pathol invagination of a tubular organ or part, esp the telescoping of one section of the intestinal tract into a lower section, causing obstruction|
|2.||biology Compare apposition growth in the surface area of a cell by the deposition of new material between the existing components of the cell wall|
|[C18: from Latin intus within + susceptiō a taking up]|
intussusception in·tus·sus·cep·tion (ĭn'tə-sə-sěp'shən)
Invagination, especially an infolding of one part of the intestine into another.
Assimilation of new substances into the existing components of living tissue. Also called introsusception.
telescoping of a segment of the intestine into an adjacent segment, producing a mechanical obstruction of the alimentary canal. Primary intussusception is sometimes congenital and rarely appears later than the third year of life; it arises in the course of intestinal development, but the mechanism producing it is unknown.
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