| Besnier-Boeck-Schaumann disease | <disease> Disease of unknown aetiology in which there are chronic inflammatory granulomatous lesions in lymph nodes and other organs. (18 Nov 1997) |
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| Best's disease | <disease> Autosomal dominant retinal degeneration in the first several years of life. Inheritance: autosomal dominant. (27 Sep 1997) |
| Bielschowsky's disease | Early childhood type of lipofuscinosis. (05 Mar 2000) |
| Biermer's disease | <haematology> A form of anaemia (low red blood cell counts) that results when the bone marrow fails to produce adequate numbers of red blood cells due to a deficiency in vitamin B12. Intrinsic factor, necessary for normal B12 absorption, may be the underlying cause for B12 deficiency if is not produced in the gastric glands (in the stomach). Origin: Gr. Haima = blood (27 Sep 1997) |
| binswanger disease | <radiology> Subcortical atherosclerotic encephalopathy, atherosclerosis of penetrating vessels, older patients (>60) with hypertension, periventricular and deep white matter lesions, associated with BG infarcts, atrophy, difficult to correlate CT with functional impairment see also: demyelinating disease, white-matter disease (12 Dec 1998) |
| Binswanger's disease | One of the causes of multiinfarct dementia, in which there are many infarcts and lacunes in the white matter, with relative sparing of the cortex and basal ganglia. Synonym: Binswanger's encephalopathy, encephalitis subcorticalis chronica, subcortical arteriosclerotic encephalopathy. (05 Mar 2000) |
| bipolar disease | A type of depressive disease, formerly called manic-depressive illness. Not nearly as prevalent as other forms of depressive disorders, bipolar disorder involves cycles of depression and elation or mania. Sometimes the mood switches are dramatic and rapid, but most often they are gradual. Mania often affects thinking, judgment, and social behaviour in ways that cause serious problems and embarrassment. For example, unwise business or financial decisions may be made when an individual is in a manic phase. Bipolar disorder is often a chronic recurring condition. (12 Dec 1998) |
| bird-breeder's disease | <chest medicine> Extrinsic allergic alveolitis caused by an allergic reaction to components of the bird or bird droppings. (19 Jan 1998) |
| bird-handler's disease | <chest medicine> Extrinsic allergic alveolitis caused by an allergic reaction to components of the bird or bird droppings. (19 Jan 1998) |
| black disease | A disease of sheep caused by the bacterium Clostridium novyi, which invades livers damaged by the fluke Fasciola hepatica and causes severe necrosis and death; this disease occurs in nearly all parts of the world, including the U.S. Sometimes called black disease because of the extensive haemorrhages seen on the inner surface of the pelt when it is removed. Synonym: black disease. (05 Mar 2000) |
| black-tongue disease | A disease of dogs similar to human pellagra and due to niacin deficiency. (05 Mar 2000) |
| blinding disease | Infection with nematodes of the genus onchocerca. Characteristics include the presence of firm subcutaneous nodules filled with adult worms, pruritus, and ocular lesions. (12 Dec 1998) |
| Bloch-Sulzberger disease | A genetic disease with blisters that develop soon after birth on the trunk and limbs, then heal, but leave dark (hyperpigmented) streaks and marble-like whorls on the skin. (the name came from the erroneous idea that the skin cells were incontinent of pigment and could not contain it normally.) other key features of ip include dental and nail abnormalities, bald patches, and (in about 1/3rd of cases) mental retardation. Ip is an x-linked dominant with male lethality. The ip gene is in band q28 on the x chromosome. Mothers with ip have an equal chance of having a normal or ip daughter or a normal son. The ip sons die before birth. Ip is also known as bloch-sulzberger syndrome. (12 Dec 1998) |
| Blocq's disease | The inability to either stand or walk in a normal manner; the gait is bizarre and is not suggestive of a specific organic lesion; often the patient sways wildly and nearly falls, but recovers at the last moment; a symptom of hysteria-conversion reaction. Synonym: Blocq's disease. (05 Mar 2000) |
| Blount-Barber disease | <disease> An acquired disease of the tibial bone of the leg, seen in young children. It will cause the leg to bow in an outward direction. (27 Sep 1997) |