| FAZ | Fanconi-Albertini-Zellweger [syndrome]; foveal avascular zone; fragmented atrial activity zone |
|---|---|
| FIRDA | frontal, intermittent delta activity |
| FPA | Family Planning Association; fibrinopeptide A; filter paper activity; fluorophenylalanine |
| F()R:C | factor ( ) related cofactor activity |
| GEA | gastric electrical activity |