Mesalamine, olsalazine, and balsalazide do not contain sulfa. So they may be used to treat mild to moderate ulcerative colitis if you cannot take sulfasalazine. Mesalamine enemas are effective in treating symptoms of mild to moderate distal (left-sided) ulcerative colitis and in maintaining remission.
Medical Definition of ankylosis. plural. ankyloses. \-ËsÄz\play. : stiffness or fixation of a joint by disease or surgery.
URL of this page: //medlineplus.gov/ency/article/000420.htm. Ankylosing spondylitis (AS) is a chronic form of arthritis. It mostly affects the bones and joints at the base of the spine where it connects with the pelvis. These joints can become swollen and inflamed. Over time, the affected spinal bones may join together.