| FFA | Plasma-free fatty acid |
|---|---|
| FFB | Flexible fiberoptic bronchoscopy |
| FFBM | Fat-free body mass |
| FFE | Fast Field Echo |
| FFE | Free Flow Electrophoresis |
| FFF | Field Flow Fractionation |
| FFH | Forel's field H |
| FFI | Fatal Familial Insomnia |
| FFL | Follicular fluid |
| FFM | Fat Free Mass |