| FAMA | Fellow of the American Medical Association; fluorescent antibody to membrane antigen |
|---|---|
| FANA | fluorescent antinuclear antibody |
| FAST | flow-assisted, short-term [balloon catheter]; fluorescent antibody staining technique; fluoro-allerg... |
| FLA | fluorescent-labeled antibody; left frontoanterior [position of the fetus] [Lat. fronto-laeva anterio... |
| FRA | fibrinogen-related antigen; fluorescent rabies antibody |