A small, pus-filled abscess at the base of an eyelid, caused by infection.

A term used for a disease that shows symptoms between acute and chronic.

Bleeding into the subarachnoid space surrounding the brain, the area between two of the three layers (meninges) surrounding the brain and spinal cord (the arachnoid mater and the pia mater).

The surgical removal of the inner part of the testicle.

A weakness or bulging in the wall of the subclavian artery, which is located below the collarbone.

A condition in which blood flow to the brain is periodically partially interrupted due to flow being diverted to the arm when arm muscles are exercised.

Incomplete dislocation of a joint, in which the surfaces of the bones remain in partial contact.

A group within a group.

A specific type of melanoma that occurs under the nail bed. It causes a dark coloured stripe to form along the length of the nail.

A group of anti-bacterial drugs.

Drugs used to treat non-insulin dependent (Type 2) diabetes.

An infection arising during the course of another infection and caused by a different microorganism, which is usually resistant to the drugs used to treat the primary infection. The infective agent may be a normally harmless inhabitant of the body that becomes pathogenic when other harmless types are removed by the drugs or it may be a resistant variety of the primary infective agent.

Medicine in a solid preparation administered via the rectum, the last part of the large intestine.

A urinary catheter or tube used to drain urine from the bladder after being inserted via an incision in the abdominal wall.

A heart rhythm disorder involving runs of abnormally fast heartbeats that develop in the atria, the upper chambers of the heart

supraventricular tachycardia

Absorbent material used to mop up bodily fluids, such as blood, for instance during an operation, or to take a sample for laboratory analysis. The term may also be used as a verb to mean the action of taking a swab

A test used to diagnose cystic fibrosis.

Analysis of a chemical (chloride) in sweat on the skin, to help diagnose cystic fibrosis

inflammation of the beard area due to infection of the hair follicles, usually with bacteria contracted from infected razors or towels.

A complication of pregnancy where the pelvic joints become unstable causing pain and difficulty in walking.

A fluid material that is found in many of the joints of the body and that acts as a lubricator.

Inflammation of the membrane that lines a joint capsule.

A sexually-transmitted disease caused by a bacterium called Treponema pallidum