title: Apparent deficiency of hexosaminidase A in healthy members of a family with Tay-Sachs disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000201:enzymology; D025063:Chromosome Disorders; D004592:Electrophoresis, Starch Gel; D005260:Female; D005347:Fibroblasts / Q000201:enzymology; D006596:Hexosaminidases / Q000032:analysis*; D006801:Humans; D008064:Lipidoses / Q000201:enzymology* / Q000209:etiology; D008297:Male; D008661:Metabolism, Inborn Errors / Q000209:etiology; D008875:Middle Aged
chemical_list: D006596:Hexosaminidases