Inflammatory bowel disease (IBD) involves inflammation of the intestines and is a chronic (long-lasting) illness. The two major types of IBD are ulcerative colitis and Crohn's disease. Ulcerative colitis affects the lining of the large intestine (colon) and/or the rectum.
Definition of comb binding. : mechanical binding (as of pamphlets) in which split rings of plastic or metal are passed through slots at the gutter margin.
Definition of comb for English Language Learners. : 1  a flat piece of plastic or metal with a row of thin teeth that is used for making hair neat. : 2  a device that is used for separating or straightening fibers (such as wool fibers) : 3  a soft part on top of the head of some birds (such as chickens)