A small hard skin sore that appears on the genitals in the early stages of syphilis.

A bacterial disease spread through sexual contact.

Joint problems caused by poor sensation, which leads to an abnormally wide range of movement.

Treatment of cancer with both chemotherapy and radiation therapy.

The use of chemical substances to treat disease, particularly cancer.

A common, mild, infectious disease occurring in childhood and characterised by a rash and slight fever. In adults chickenpox is rare but more severe.

A common, mild, infectious disease occurring in childhood and characterised by a rash and slight fever. In adults chickenpox is rare but more severe.

A healthcare professional (not medically qualified doctor) specialising in foot care.

Healthcare professionals (not medically qualified doctors) specialising in foot care.

A common sexually transmitted infection.

A condition in which pale brown patches appear on the forehead, cheeks, and nose.

A type of ovarian cyst associated with endometriosis. Because it responds to hormonal changes of the menstrual cycle it fills with blood during menstruation and this turns a dark brown colour, hence the description.

Inflammation of the bile duct.

The surgical removal of the gallbladder.

Acute or chronic inflammation of the gallbladder causing severe abdominal pain.

Stagnation of bile in the small bile ducts in the liver, leading to jaundice and liver disease.

A rare but serious condition in which skin cells proliferate and grow inwards from the ear canal.

A substance present in many tissues and an important constituent of cell membranes although high concentrations of a certain type of cholesterol in the blood are unhealthy.

Benign, small, painful nodules that occur on the ear caused by inflammation of skin and cartilage.

Softening and damage to the cartilage at the back of the knee-cap.

A malignant cancer occurring during pregnancy, usually developing from tissue that would normally form the placenta. It may grow out of a hydatidiform mole.

A layer of tissue situated at the back of the eye behind the retina.

Cancer of the eye.

Inflammation of the choroid and retina.