FTA-ABS test

FTA-ABS test (

)

See fluorescent treponemal antibody absorption test.

FTA-ABS test,

abbreviation for fluorescent treponemal antibody absorption test.

fluorescent [floo͡-res´ent]

pertaining to or characterized by fluorescence.

fluorescent antibody test a test for the distribution of cells expressing a specific protein by binding antibody specific for the protein and detecting complexes by fluorescent labeling of the antibody. Called also FAB test.

fluorescent treponemal antibody absorption test the standard treponemal antigen test for syphilis: Nonspecific antibodies are removed from patient serum, which is then reacted with Treponema pallidum fixed to a glass slide. Specific antibodies adhering to the treponemes are demonstrated with fluorescein-labeled antihuman globulin. Positive tests are seen in about 85 per cent of cases of primary syphilis, 100 per cent in secondary syphilis, and 98 per cent in late syphilis. The test remains positive for life even after syphilis has been successfully treated. Called also FTA-ABS test.

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Adson's test
alkali denaturation test
Ames test
antiglobulin test
assay
Denver Developmental Screening test
ELISA
enzyme-linked immunosorbent assay
fluorescent
fluorescent antibody test
fluorescent treponemal antibody absorption test
syphilis
TPHA
TSH assay