Dictionary

ulnar Pertaining to the ulna, the larger bone in the forearm.

ulna The larger of the two long bones within the forearm. (The smaller one is the radius.) The ulna is on the same side of the arm as the little finger.

ulcerative stomatitis See acute membranous gingivitis.

ulcerative proctitis Ulcerative colitis that is limited to the rectum. See also colitis, ulcerative.

ulcerative gingivitis See acute membranous gingivitis.

ulcerative colitis See colitis, ulcerative.

ulceration The process or fact of being eroded away, as by an ulcer.

ulcer bug See Helicobacter pylori.

ulcer, stasis A skin ulcer that develops in an area in which the circulation is sluggish and the return of venous blood toward the heart is poor. A common location for stasis ulcers is on the ankles. Stasis refers to a stoppage or slowdown in the flow of blood (or other body fluid, such as…

ulcer, peptic An ulcer in the lining of the stomach, duodenum, or esophagus. Peptic ulcers affect millions of people in the US yearly. Ulcer formation is related to Helicobacter pylori bacteria in the stomach, use of anti-inflammatory medications, and cigarette smoking. Peptic ulcer pain may not correlate with the presence or severity of ulceration. Complications…

ulcer, gastric An ulcer in the lining of the stomach that is corroded by the acidic digestive juices secreted by the stomach cells. See also ulcer; ulcer, peptic.

ulcer, esophageal An ulcer in the lining of the esophagus that is corroded by the acidic digestive juices secreted by the stomach cells. See also ulcer; ulcer, peptic.