A form of haemophilia.

Structures in the cell nucleus that carry genetic information.

A disease of long duration generally involving slow changes.

Very frequent headaches, often without any apparent underlying cause, possibly due to a heightened response to pain signals.

A condition causing extreme fatigue over a prolonged period, sometimes years.

A type of leukaemia resulting in high levels of mature but abnormal cells called lymphocytes in the bloodstream.

A type of leukaemia that affects all the blood cells except the lymphocytes and progresses relatively slowly if left untreated.

Emphysema and bronchitis; often associated with smoking and air pollution. Abbreviated to COPD.

A structure in the eye containing muscles that alter the shape of the lens to adjust focus.

An abbreviation for cervical intraepithelial neoplasia, abnormal changes in the cervix of the uterus that may resolve spontaneously, or may progress to cervical cancer.

A form of skin inflammation around the penis in men with Reiter's syndrome.

scarring of the liver.

A cramp-like pain in a muscle, most often in the legs, due to inadequate blood supply.

A split in the upper lip and/or the palate that is present at birth.

An abbreviation for chronic lymphocytic leukaemia, a type of leukaemia resulting in high levels of mature but abnormal cells called lymphocytes in the bloodstream.

Blood that has coagulated, that is, has moved from a liquid to a solid state.

A substance that can undergo a cascade of reactions in certain conditions, leading to the clotting of blood. Also known as coagulation factor.

A group of substances that can undergo a cascade of reactions in certain conditions, leading to the clotting of blood. Also known as coagulation factors.

A group of laboratory tests used to establish how quickly and well blood clots (coagulates).

Thickening of the ends of the fingers occurring in several diseases

A type of frequent headache that recurs regularly in clusters, with pain-free intervals in between, and is associated with a runny nose (rhinitis) and increased tear production

An abbreviation for chronic myeloid leukaemia, a type of leukaemia that affects all the blood cells except the lymphocytes and progresses relatively slowly if left untreated.

central nervous system

A substance that can undergo a cascade of reactions in certain conditions, leading to the coagulation of blood. Also known as clotting factor.