A type of ulcerative colitis that affects only the rectum.

Compression or irritation of the ulnar nerve as it runs behind the elbow joint.

The technique of using high-frequency sound waves to produce internal images of the body.

A diagnostic method in which very high frequency sound waves are passed into the body and the reflective echoes analysed to build a picture of the internal organs – or of the foetus in the uterus.

The process of using high-frequency sound waves to produce internal images of the body.

Not fractionated; that is, not divided up into separate parts.

Involving or affecting only one side.

Chest pain caused by poor blood supply to the heart that comes on unpredictably - not just during exercise.

A strong desire to pass urine and/or increased frequency of urination due to overactive or irritable bladder wall muscles.

The build up of toxic waste products in the blood as a result of renal failure.

A waste product formed from the breakdown of proteins.

Laboratory tests to measure the amount of urea, a breakdown product of protein, and sodium, potassium and bicarbonate (electrolytes), which are essential for the normal function of cells, in the blood.

Relating to the ureters.

A common and very painful condition caused when a urinary stone passes down the ureter.

The flow of urine backwards into the ureters.

A stone from the kidney that has moved into the ureter.

Two tubes that carry urine from the kidneys to the bladder, where it is stored.

The tube that carries urine from the bladder, and in men also carries semen during ejaculation.

Relating to the urethra, the tube that connects the bladder to the genitals.

A soft, fleshy protrusion of the urethral lining from the urethral opening.

Inflammation of the urethra.

An X-ray imaging test to examine the urethra.

A diagnostic procedure for examining the inside of the urethra.

Incontinence of urine due to abrupt and uncontrollable urges to urinate, if there is insufficient time to reach a bathroom.