| williams elfin-facies syndrome | <radiology> Sporadic, congenital disorder, idiopathic hypercalcaemia, supravalvular aortic stenosis, facial dysmorphism associated with, medullary nephrocalcinosis, pancreatitis (12 Dec 1998) |
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| Williams factor | high molecular weight kininogen |
| williams syndrome | <syndrome> Supravalvular aortic stenosis, mental retardation, elfin facies, and transient hypercalcaemia in infancy. It affects both sexes, with onset at birth or early infancy. Its aetiology is unknown. The primary disturbance begins in utero. There is a familial tendency but no genetic basis is apparent. It is possibly an abnormality of vitamin d metabolism. Its prognosis depends upon the degree of malformation and surgical correction. (12 Dec 1998) |
| Williams' stain | <technique> A stain for Negri bodies which utilises picric acid, fuchsin, and methylene blue; Negri bodies are magenta, granules and nerve cells blue, and erythrocytes yellowish. (05 Mar 2000) |
| Williams' syndrome | <syndrome> Transient or persistent unilateral partial lower facial paresis accompanying some congenital heart disease. A group of syndromes characterised by congenital cardiovascular, bone, soft tissue, and facial abnormalities. Examples include Rubinstein-Taybi syndrome, Noonan's syndrome and Williams' syndrome. Synonym: Williams' syndrome. (05 Mar 2000) |
| Williams, Anna | <person> U.S. Bacteriologist, 1863-1955. See: Williams' stain, Park-Williams bacillus, Park-Williams fixative. (05 Mar 2000) |
| Williams, J | <person> 20th century New Zealand cardiologist. See: Williams syndrome. (05 Mar 2000) |
| Williams-Beurer syndrome | idiopathic hypercalcaemia of infants |
| Williamson, Carl | <person> U.S. Surgeon, 1896-1952. See: Mann-Williamson operation, Mann-Williamson ulcer. (05 Mar 2000) |
| Park-Williams bacillus | A special strain of Corynebacterium diphtheriae used for toxin production. (05 Mar 2000) |
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| Park-Williams fixative | A fixative for spirochetes, comprised of a 2% solution of osmic acid to the fumes of which the bacteria are exposed for a few seconds. (05 Mar 2000) |