| Neumann's disease | A form of pemphigus vulgaris in which vegetations develop on the eroded surfaces left by ruptured bullae; new bullae continue to form. Synonym: Neumann's disease. A chronic benign vegetating form of pemphigus, with lesions commonly in the axillae and perineum; spontaneous remissions and occasionally permanent healing occur. Synonym: Hallopeau's disease. (05 Mar 2000) |
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| Charcot-Neumann crystals | Crystal's in the shape of elongated double pyramids, formed from eosinophils, found in the sputum in bronchial asthma and in other exudates or transudates containing eosinophils. Synonym: asthma crystals, Charcot-Neumann crystals, Charcot-Robin crystals, Leyden's crystals. (05 Mar 2000) |
| Rouget-Neumann sheath | The amorphous ground substance between an osteocyte and the lacunar or canalicular wall. (05 Mar 2000) |
| Neumann, Ernst | <person> German histologist, anatomist, and pathologist, 1834-1918. See: Neumann's cells, Neumann's sheath, Rouget-Neumann sheath. (05 Mar 2000) |
| Neumann, Franz | <person> German physicist, 1798-1895. See: Neumann's law. (05 Mar 2000) |
| Neumann, Isidor Edler von Heilwart | <person> Austrian dermatologist, 1832-1906. See: Neumann's disease. (05 Mar 2000) |
| Neumann's cells | Nucleated cell's in the bone marrow developing into red blood cell's. (05 Mar 2000) |
| Neumann's law | In compounds of analogous chemical constitution, the molecular heat, or the product of the specific heat by the atomic weight, is always the same. (05 Mar 2000) |
| Neumann's sheath | A layer of tissue relatively resistant to the action of acids, which forms the walls of the dentinal tubules. Synonym: Neumann's sheath. (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) |