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Etymology: Gk, polys, many, pous, foot, osis, condition, kolikos colon
a condition of multiple polyps in the large intestine.
Polyposis of the large intestine.
polyposis coli A rare, inherited disorder of the colon in which between 100 and 1000 polyps occur on the lining of the colon and rectum. Cancerous change in some of these is almost inevitable by the age of 40 and it is usual to remove the colon, and sometimes the rectum, to prevent this.