| fluorescent microscope | <instrument> A microscope equipped to examine material that fluoresces under ultraviolet (UV) light. (12 Dec 1998) |
|---|---|
| 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) |
| fluorescin | <chemistry> A colourless, amorphous substance which is produced by the reduction of fluorescein, and from which the latter may be formed by oxidation. Source: Websters Dictionary (01 Mar 1998) |
| fluoric | <chemistry> Pertaining to, obtained from, or containing, fluorine. Origin: Cf. F. Fluorique. Source: Websters Dictionary (01 Mar 1998) |
| fluoridated teeth | <dentistry> Teeth exposed to fluorine salts during odontogenesis. (05 Mar 2000) |
| fluoridation | Addition of fluorides to a community water supply, usually 1 ppm, to reduce incidence of dental decay. (05 Mar 2000) |
| fluoride | <chemical> The fluoride ion. Low levels of fluoride in drinking water markedly decrease the incidence of dental caries, probably because bacterial metabolism is much more sensitive to low fluoride levels. (18 Nov 1997) |
| fluoride number | The percent inhibition of pseudocholinesterase produced by fluorides; used to differentiate normal from atypical pseudocholinesterases. See: dibucaine number. (05 Mar 2000) |
| fluoride poisoning | Gen or unspecified fluoride; prefer /pois with specific fluoride term (12 Dec 1998) |
| fluorides | Inorganic salts of hydrofluoric acid, hf, in which the fluorine atom is in the -1 oxidation state. (12 Dec 1998) |
| fluorides, topical | Fluorides, usually as pastes or gels, used for topical application to reduce the incidence of dental caries. (12 Dec 1998) |
| fluoridization | Therapeutic use of fluorides to reduce the incidence of dental decay; sometimes used to refer to the topical application of fluoride agents to the teeth. (05 Mar 2000) |
| fluorimetry | The measurement of the amount of fluorescence. (09 Oct 1997) |