Medical Definition of NEPHRECTOMY. : the surgical removal of a kidney.â neÂ·phrecÂ·toÂ·mize \-ËmÄ«z\ transitive verb.edical Definition of NEPHRECTOMY. : the surgical removal of a kidney.
Scleritis is an uncommon disease and is differentiated from episcleritis, which is a more common ocular condition. In episcleritis, only the superficial tissue between the white of the eye (sclera) and the blood vessel-filled covering (conjunctiva) is inflamed. Scleritis is an inflammation of the white of the eye. 2  It is serious eye disease which is often associated with underlying autoimmune disorders. 3  Prompt diagnosis and treatment is essential in preventing permanent vision loss.
Colitis Â». Colitis is an inflammation of the colon. It may be associated with enteritis (inflammation of the intestine) and/or proctitis (inflammation of the rectum).atient Comments Read 33 Comments Share Your Story. Colitis is a term used to describe inflammation of the colon. There are a variety of causes of colitis including infections, poor blood supply (ischemia), and autoimmune reactions.