| Morton, Dudley | <person> U.S. Orthopedist, 1884-1960. See: Morton's syndrome. (05 Mar 2000) |
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| Morton, Samuel | <person> U.S. Physician, 1799-1851. See: Morton's plane. (05 Mar 2000) |
| Morton's neuralgia | Neuralgia of an interdigital nerve, usually the anastomotic branch between the medial and lateral plantar nerves, resulting from compression of the nerve by the metatarsophalangeal joint. (05 Mar 2000) |
| Morton's neuroma | <oncology, tumour> A ganglionic swelling or ganglion cyst in the forefoot. Symptoms include pain in the forefoot and localised swelling. (27 Sep 1997) |
| Morton's plane | A plane passing through the summits of the parietal and occipital protuberances. (05 Mar 2000) |
| Morton's syndrome | <syndrome> Congenital shortening of the first metatarsal causing metatarsalgia. (05 Mar 2000) |
| Morton's toe | A particular form of metatarsalgia caused by enlargement of the digital nerve. Compare: Morton's syndrome. (05 Mar 2000) |
| Morton, Thomas | <person> U.S. Physician, 1835-1903. See: Morton's neuralgia. (05 Mar 2000) |
| aaa disease | Endemic anaemia of ancient Egypt, ascribed in the Papyrus Ebers to intestinal infestation with ancylostoma; now called ancylostomiasis. (05 Mar 2000) |
| ABO haemolytic disease of the newborn | Erythroblastosis foetalis due to maternal-foetal incompatibility with respect to an antigen of the ABO blood group; the foetus possesses A or B antigen which is lacking in the mother, and the mother produces immune antibody which causes haemolysis of foetal erythrocytes. (05 Mar 2000) |
| accumulation disease | A disease characterised by abnormal accumulation of a metabolic product in certain cells and tissues; examples include the mucopolysaccharidoses, lipoidoses. (05 Mar 2000) |
| Acosta's disease | A condition that results from prolonged exposure to high altitude. Symptoms include a continuous dry cough, shortness of breath, poor exercise tolerance, dizziness, headache, sleep difficulty, anorexia, confusion, fatigue and a rapid pulse. Treatment includes the immediate movement to a lower altitude. Prophylaxis has been accomplished successfully with the use of acetazolamide (Diamox). (27 Sep 1997) |
| acquired immunodeficiency disease | Acquired immunodeficiency disease: Disease caused by infection with the human immunodeficiency virus (HIV). (12 Dec 1998) |
| acute disease | Disease having a short and relatively severe course. (12 Dec 1998) |
| Adams-Stokes disease | <syndrome> Transient asystole or ventricular fibrillation in the presence of atrioventricular block. (12 Dec 1998) |