| HP | Hypersensitivity Pneumonitis = Extrinsic Allergic Alveolitis |
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| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
| AAE | active assistive exercise; acute allergic encephalitis; American Association of Endodontists; annulo... |
| AAG | 3-alkaladenine deoxyribonucleic acid glycosylase; allergic angiitis and granulomatosis; alpha-1-acid... |
| ABA | abscissic acid; allergic bronchopulmonary aspergillosis; American Board of Anesthesiologists; antiba... |
| encephalomyelitis, acute disseminated | An acute or subacute encephalomyelitis or myelitis characterised by perivascular lymphocyte and mononuclear cell infiltration and demyelination. It occurs most commonly following an acute viral infection, especially measles, but may occur without a recognizable antecedent, and formerly occurred as a complication of rabies and smallpox vaccination. (12 Dec 1998) |
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| encephalomyelitis associated with carcinoma | An encephalomyelopathy as a remote effect of carcinoma, most often oat cell carcinoma of the lung; characterised by extensive nerve cell loss, which may be diffuse, but often predominates in particular portions of the central nervous system, particularly the limbic lobes, medulla, cerebellum, and gray matter of the spinal cord. Synonym: carcinomatous encephalomyelopathy, encephalomyelitis associated with carcinoma, paracarcinomatous encephalomyelopathy. (05 Mar 2000) |
| encephalomyelitis, enzootic porcine | A picornavirus infection producing symptoms similar to poliomyelitis in pigs. (12 Dec 1998) |
| encephalomyelitis, equine | An alphavirus infection of horses and mules, communicable to humans, occurring in the united states and parts of central and south america. (12 Dec 1998) |
| encephalomyelitis, venezuelan equine | An arthropod-borne viral encephalomyelitis of equidae and humans. (12 Dec 1998) |
| encephalomyelitis virus, avian | A species of enterovirus infecting primarily young chicks, but also found in turkeys, pheasants, and guinea fowl. It causes a fatal neuronal degeneration and is transmitted by mechanical contact. (12 Dec 1998) |
| encephalomyelitis virus, murine | A strain of encephalomyocarditis virus, a species of cardiovirus, usually causing an inapparent intestinal infection in mice. A small number of mice may show signs of flaccid paralysis. (12 Dec 1998) |
| enzootic encephalomyelitis | An encephalomyelitis of horses, sheep and cattle caused by an RNA virus. (12 Dec 1998) |
| enzootic encephalomyelitis virus | An unclassified, single-stranded RNA virus, possibly related to the family rhabdoviridae, causing a rare and usually fatal encephalitic disease in horses and other domestic animals and possibly deer. Its name derives from the city in saxony where the condition was first described in 1894, but the disease occurs in europe, n. Africa, and the near east. (12 Dec 1998) |
| epidemic myalgic encephalomyelitis | An epidemic disease characterised by stiffness of the neck and back, headache, diarrhoea, fever, and localised muscular weakness; restricted almost exclusively to adults, affecting women more than men; probably viral in origin. Synonym: Akureyri disease, benign myalgic encephalomyelitis, epidemic myalgic encephalomyelitis, Iceland disease. (05 Mar 2000) |
| equine encephalomyelitis | <veterinary> An acute, often fatal, virus disease of horses and mules transmitted by mosquitoes and characterised by central nervous system disturbances. It is typically caused by one of two arthropod-borne viruses, and their resulting diseases are designated western equine or eastern equine encephalomyelitis; these viruses belong to the family Togaviridae and can also cause neurologic disease in humans. Synonym: equine encephalitis. (05 Mar 2000) |
| zoster encephalomyelitis | Inflammation of the brain and spinal cord caused by varicella-zoster virus, a member of the family Herpesviridae. (05 Mar 2000) |