from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Medicine Invagination, especially an infolding of one part of the intestine into another.
- n. Biology Assimilation of new substances into the existing components of living tissue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Absorption.
- n. The invagination of one portion of a tubular anatomical structure (especially intestines or blood vessels) within the next.
from the GNU version of the Collaborative International Dictionary of English
- n. The reception of one part within another.
- n. The abnormal reception or slipping of a part of a tube, by inversion and descent, within a contiguous part of it; specifically, the reception or slipping of the upper part of the small intestine into the lower; introsusception; invagination.
- n. The interposition of new particles of formative material among those already existing, as in a cell wall, or in a starch grain.
- n. The act of taking foreign matter, as food, into a living body; the process of nutrition, by which dead matter is absorbed by the living organism, and ultimately converted into the organized substance of its various tissues and organs.
from The Century Dictionary and Cyclopedia
- n. A receiving within; reception of one part within another part of the same organ, or of one organ within another of the same kind; invagination; introversion; introsusception.
- n. In physiology, reception of foreign matter by a living organism, and its conversion into living tissue; ingestion, digestion, and assimilation of food, including the whole process of nutrition and growth. It is the mode of interstitial growth characteristic of organic life, as distinguished from any process of accretion by which a mineral may increase in size.
- n. In botany, according to the theory proposed by Nägeli, the growth of cell-walls by the intercalation of new solid particles between those already in existence. The intussusception theory is opposed to the theory of growth by apposition, which supposes that the new particles are deposited in layers on the inner side of the cell-wall.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the folding in of an outer layer so as to form a pocket in the surface
- n. (biology) growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall
It, too, found no difference in intussusception rates, but it only observed side effects for 42 days, less than half the time the other study devoted to following adverse effects.
However, it was quickly withdrawn from the market when otherwise healthy babies began to develop a condition known as intussusception.
That vaccine was linked to an increased rate of intussusception, which is a twisting or obstruction of the intestine that can be fatal.
A prior version of this vaccine was withdrawn from the market in 1999 because it was linked to a severe condition known as intussusception, a blockage or telescoping of the intestine that may require surgery or a radiologic procedure and rarely can be fatal.
The Merck vaccine -- RotaTeq -- is considered safe because the number of reported cases of that blockage, called intussusception, in babies who have received the vaccine is within an acceptable range, officials say.
Merck's vaccine has been on the U.S. market since 2006 and federal health officials have been monitoring it for links to a rare bowel problem called intussusception, and Glaxo's vaccine would also be included in the monitoring program.
The Wyeth vaccine was linked to an increased rate of intussusception, which is a twisting or obstruction of the intestine.
Through this process, called intussusception, the newly inserted pectin molecules weaken the existing wall structure and allow the tip to extend and the pollen tube to grow.
This vaccine was found to be linked with an uncommon type of bowel obstruction called intussusception, and it was taken off the market.
vaccine designed to protect infants against rotavirus doesn't appear to be associated with an increased risk of a potentially life-threatening intestinal problem known as intussusception, according to information compiled by federal health officials.
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