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duodenal ulcer

Ulcer of the duodenum.

duodenum

The first part of the small intestine.

Duplex ultrasound

An ultrasound technique that uses sound waves to see how well blood is flowing through the blood vessels.

DVT

An abbreviation for deep vein thrombosis: the obstruction of one of the deep veins, often in the calf, by a blood clot.

DXA

An abbreviation for dual energy X-ray absorptiometry.

dysarthria

Speech disorder.

dyscrasia

An abnormal state of a part of the body.

dyscrasias

A medical term meaning disorder.

dysfunctional uterine bleeding

Abnormal vaginal bleeding due to hormonal fluctuations.

dyskaryosis

Abnormal appearance of a cell, where the nucleus looks irregular but the rest of the cell looks fairly normal.

dyslipidaemia

Abnormal levels of lipids (fats) in the blood.

dysmenorrhoea

Painful periods

dyspareunia

Pain experienced by a woman during sexual intercourse.

dyspepsia

The medical term for indigestion.

dysphagia

Pain or difficulty in swallowing.

dysplasia

Abnormal development of cells or tissue, which may become cancerous over time, or may resolve with or without treatment.

dysthyroid disease

A condition that causes swelling of the muscles and the other tissues in the eye socket causing the eye to be pushed forwards. It often occurs in people with an overactive thyroid gland.

dystrophia myotonica

A chronic, multisystemic disease that can occur in people of any age.

dysuria

Pain when urinating.

dosimetry

The measurement and calculation of the correct dose of ionising radiation.

dysregulation

Impairment of a physiological regulatory mechanism.

diabetic retinopathy

Damage to the retina caused by diabetes

diabetic maculopathy

Damage to the central part of the retina with bleeding and leakage of blood components (exudates)

deltoid

A muscle forming the rounded part of the outer shoulder.