| FFA | Fellow of the Faculty of Anaesthetists; free fatty acid |
|---|---|
| FFAP | free fatty acid phase |
| FL | fatty liver; feline leukemia; femur length; fibers of Luschka; fibroblast-like; filtration leukapher... |
| FLC | family life cycle; fatty liver cell; fetal liver cell; Friend leukemia cell |
| FLKS | fatty liver and kidney syndrome |