| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
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| OHD | hydroxyvitamin D; Office of Human Development; Ondine-Hirschsprung disease; organic heart disease |
| PAIN | pyoderma gangrenosum, aphthous stomatitis, inflammatory eye disease, erythema nodosum [disorders ass... |
| PAOD | peripheral arterial occlusive disease; peripheral arteriosclerotic occlusive disease |
| PKD | polycystic kidney disease; proliferative kidney disease |
| Behcet's disease | <syndrome> A multisystem, chronic recurrent disease characterised by ulceration in the mouth and genitalia, iritis, uveitis, arthritis and thrombophlebitis. Often treated with immunosuppressive therapy (corticosteroids, chlorambucil). (27 Sep 1997) |
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| Behr's disease | <syndrome> Adult or presenile form of heredomacular degeneration. Synonym: Behr's disease. (05 Mar 2000) |
| Berger's disease | <disease, nephrology> This is a form of glomerulonephritis that results from the deposition of circulating IgA antibody in the kidney tissues. Inflammation of the glomerulus (glomerulonephritis) is the result and may present as acute glomerulonephritis, chronic glomerulonephritis or rapidly progressive glomerulonephritis. Berger's disease is usually detected in an individual with one or two bouts of haematuria (usually begins during or soon after a respiratory infection) and no other symptoms of renal disease. Only rarely, will Berger's disease permanently affect kidney function and progress to chronic renal failure. This renal disorder more commonly affects males in the 16-40 age group. (11 Jan 1998) |
| Bernard-Soulier disease | An autosomal recessive disorder of absent or decreased platelet membrane glycoproteins Ib, IX, and V (the receptor for factor VIII R. This deficiency can lead to a failure to bind von Willebrand factor, causing moderate bleeding. (05 Mar 2000) |
| Bernhardt's disease | <symptom> A tingling, formication, itching, and other forms of paresthesia in the outer side of the lower part of the thigh in the area of distribution of the lateral femoral cutaneous nerve; there may be pain, but the skin is usually hypesthetic to the touch. Synonym: Bernhardt's disease, Bernhardt-Roth syndrome, Roth's disease, Roth-Bernhardt disease. (21 Sep 2000) |
| 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) |
| 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) |