| FPIA | fluorescence polarization immunoassay |
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| HEI | Health Effects Institute; high-energy intermediate; homogenous enzyme immunoassay; human embryonic i... |
| HII | Health Industries Institute; Health Insurance Institute; hemagglutination inhibitor immunoassay |
| iPTH | immunoassay for parathyroid hormone; immunoreactive parathyroid hormone |
| PCFIA | particle concentration of fluorescence immunoassay |
| fluorescent microscope | <instrument> A microscope equipped to examine material that fluoresces under ultraviolet (UV) light. (12 Dec 1998) |
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| fluorescent screen | A screen coated with fluorescent crystals such as the calcium tungstate used in the fluoroscope. (05 Mar 2000) |
| fluorescent stain | <technique> A stain or staining procedure using a fluorescent dye or substance that will combine selectively with certain tissue components and that will then fluoresce upon irradiation with ultraviolet or violet-blue light. (05 Mar 2000) |
| fluorescent treponemal antibody-absorption test | <investigation> A sensitive and specific serologic test for syphilis. It is more specific than the VDRL assay. The patient's serum is diluted to remove non-specific antibodies and then mixed on a glass slide with Nichol's strain of Treponema pallidum. If antibodies are present in the patient's serum they bind to the antigen and the bound antibodies are detected with fluoresceinated antihuman gamma-globulin antibody. Synonym: FTA-ABS test. (12 Sep2002) |