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.
http://www.officezone.com/bind2.htm-VIEW ALL OF OUR BINDING MACHINES-Comb binding machines come in a variety of designs. There are low-volume, medium-volume and high-volume binding machines. Low-volume binding machines are typically used in the home or for occasional binding.