Category: U

An erythematous disorder with atrophic scar formation. A dermatological condition marked by scarring.  

A condition in which gyri of the cerebral cortex are abnormal due to scar tissue from injuries, usually occurring in early development.  

The transient decrease in vision, double vision, or nystagmus when body temperature rises; seen in patients with multiple sclerosis.  

The triangle with its base formed by a line between the two ischial tuberosities and its apex just below the symphysis pubis.  

A device used in ultrasound that sends and receives the sound wave signal.  

Tonsillitis that ulcerates and develops a membranous film.  

Computed tomographic (CT) scanning that produces images by rotating the x-ray (electron) beam at targets placed around a patient, instead of moving a patient on a gantry through the scanner. The technique minimizes patient movement artifacts and decreases scanning times to about 50 to 100 msec. It is capable of providing good resolution of vascular…

A slender flattened wire, a plain rod, or one with coarse thread on the distal end for absorbing or wiping away discharges.  

A slender rod for holding cotton used in examinations with the speculum, in treating ulcers, or removing secretions. The male urethral swab is a rod about 7 in. (17.8 cm) long.  

A biologically compatible tube inserted into the ureter or urethra to relieve or prevent urinary tract obstruction. Stents are commonly placed in the urinary tract after endoureterotomy and endopyelotomy.