| AR | 1) Aortic Regurgitation = AI Echo¼Ò°ß &... |
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| TSD | Tay-Sachs Disease |
| TS | Takayasu syndrome; Tay-Sachs; temperature sensitivity; temperature, skin; temporal stem; tensile str... |
| TSD | target-skin distance; Tay-Sachs disease; theory of signal detectability |
| TSD | Tay Sachs disease |
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tazettine
| Tay-Sachs carrier | <genetics> One who carries the recessive gene that is responsible for Tay-Sachs disease. Genetic testing for this fatal disease is crucial so that Tay-Sachs carriers can be identified and provided with genetic counseling. (27 Sep 1997) |
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| Tay-Sachs disease | <disease> A genetic disorder found in east European Jewish families which can result in early death bu affecting the brain and nerves by causing abnormal lipid metabolism. It is a lysosomal disease in which there is a deficiency of hexosaminidase A, an enzyme that degrades ganglioside GM2. Symptoms appear at age 3-6 months and include blindness, deafness, seizures, paralysis, dementia, decreased muscle tone and growth retardation. There is no known treatment and most children usually die between 2 and 5 years of age. Inheritance: autosomal recessive. (06 Oct 1997) |
| Tay's cherry-red spot | The ophthalmoscopic appearance of the normal choroid beneath the fovea centralis, appearing as a red spot surrounded by white retinal oedema in central artery closure or lipid infiltration in sphingolipidosis. Synonym: Tay's cherry-red spot. (05 Mar 2000) |
| Tay, Warren | <person> English physician, 1843-1927. See: Tay's cherry-red spot, Tay-Sachs disease. (05 Mar 2000) |
| anterior choroiditis | Disseminated choroiditis restricted to peripheral choroid. (05 Mar 2000) |
| areolar choroiditis | Inflammation of the choroid, with prominent pigment proliferation occurring first in the macular region and then more peripherally. (05 Mar 2000) |
| metastatic choroiditis | Inflammation of the choroid arising from microbial emboli. (05 Mar 2000) |
| choroiditis | <pathology> Inflammation of the choroid, a membrane or coat of the eyeball. (27 Sep 1997) |
| multifocal choroiditis | Macular, peripapillary, and peripheral choroiditis, often designated presumed ocular histoplasmosis. (05 Mar 2000) |
| posterior choroiditis | Disseminated choroiditis restricted to the central choroid. (05 Mar 2000) |
| proliferative choroiditis | The dense scar tissue produced by severe choroiditis. (05 Mar 2000) |
| suppurative choroiditis | Purulent inflammation of the choroid. (05 Mar 2000) |
| diffuse choroiditis | A widespread exudative inflammation of the choroid, with progressive resolution of older lesions as new ones occur. (05 Mar 2000) |
| disseminated choroiditis | Chronic inflammation of the choroid, with multiple isolated foci. (05 Mar 2000) |
| juxtapupillary choroiditis | Choroiditis adjacent to the optic disk. (05 Mar 2000) |
| Tay's choroiditis (disease), spot (sign) |
see under choroiditis, and see cherry-red spot, under spot.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| Tay's choroiditis |
A familial condition marked by degeneration of the choroid, esp. in the region about the macula lutea. It occurs in aged persons.
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