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.
1 Ankylosing spondylitis belongs to a group of arthritis conditions that tend to cause chronic inflammation of the spine (spondyloarthropathies). 2  Ankylosing spondylitis affects males two to three times more commonly than females. 3  Ankylosing spondylitis is a cause of back pain in adolescents and young adults.nkylosing spondylitis is considered one of the many rheumatic diseases because it can cause symptoms involving muscles and joints. Ankylosing spondylitis is two to three times more common in men than in women. In women, joints away from the spine are more frequently affected than in men.