thoracalgia
| Marburg disease | Infection with an unusual rhabdovirus composed of RNA and lipid, tentatively assigned to the family of Filoviridae. Virus is "pantropic" and affects most organ systems.The disease is characterised by a prominent rash and haemorrhages in many organs and is often fatal. First seen among laboratory workers in Marburg, Germany, exposed to African green monkeys. Some person-to-person spread has been observed. Attempts to isolate virus should be done only in high-security laboratories. Synonym: Marburg virus disease. (05 Mar 2000) |
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| marburg virus disease | An RNA virus infection of rhesus, vervet, and squirrel monkeys transmissible to man. (12 Dec 1998) |
| marchiafava-bignami disease | <radiology> Italian wine-drinkers' disease, symmetric demyelinization: corpus callosum, white matter, anterior commisure (12 Dec 1998) |
| Marek disease | <disease> Infectious cancer of the lymphoid system (lymphomatosis) in chickens, caused by a contagious Herpes virus. An effective vaccine is now available. (18 Nov 1997) |
| marek's disease | A lymphoproliferative disease of fowl caused by a herpes virus. Lymphoid cell infiltrations are most common in the peripheral nerves and gonads, but widespread infiltrations may also be found in any of the visceral organs, skin, muscle, and the iris of the eye. The location of the lesions dictates the clinical signs, such as paralysis, general depression, and blindness. (12 Dec 1998) |
| Marek's disease virus | The herpesvirus that causes avian lymphomatosis (Marek's disease); is distinct from those causing other forms of leukosis. Synonym: avian lymphomatosis virus, fowl neurolymphomatosis virus, Marek's disease virus. (05 Mar 2000) |
| Marfan's disease | <syndrome> A hereditary condition of the connective tissue. Symptoms and signs include tall lean body type, irregular or unsteady gait, long extremities (including fingers and toes), abnormal joint flexibility, flat feet, stooped shoulders, dislocation of the optic lens and aneurysms of the aorta. Affects 1 in 50,000 people. Probably a collagen fibril assembly disorder since it can be mimicked in mice by aminonitriles that interfere with crosslinking. Inheritance: autosomal dominant. (06 Oct 1997) |
| margarine disease | Erythema multiforme caused by an emulsifying agent used in the manufacture of margarine. (05 Mar 2000) |
| genital ulcer disease | Ulcerative lesions on the genitals, usually caused by a sexually transmitted condition such as herpes, syphilis or chancroid. The presence of genital ulcers may increase the risk of transmitting HIV. (09 Oct 1997) |
| parasitic disease | A disease due to the presence and vital activity of a parasite, or as a reaction to a parasite. (05 Mar 2000) |
| parasitic eosinophilic lung disease | <radiology> All are metazoans (mostly nematodes), Ascaris, Strongyloides, Ancyclostoma, Schistosoma, tropical pulmonary eosinophilia, pulmonary larva migrans (12 Dec 1998) |
| Marie's disease | A hypertrophic osteopathy of dogs in which osseous changes of the limbs are associated with intrathoracic lesions such as pulmonary neoplasms; also occurs in horses, cattle, and sheep. (05 Mar 2000) |
| Marie-Strumpell disease | <rheumatology> A polyarthritis involving the spine, which is characterised by progressive, painful stiffening of the joints and ligaments. It almost exclusively affects young men. Interestingly the disease seems to be associated with HLA B27, those with this histocompatability antigen are 300 times more likely to get the disease, 90% of sufferers have HLA B27 (18 Nov 1997) |
| Marion's disease | A congenital obstruction of the posterior urethra. (05 Mar 2000) |
| Recklinghausen's disease of bone | Rarefying osteitis with fibrous degeneration and formation of cysts, and with the presence of fibrous nodules on the affected bones. It is due to marked osteoclastic activity secondary to hyperfunction of the parathyroid glands. (12 Dec 1998) |