| FDL | flexor digitorum longus |
|---|---|
| FDP | fibrin degradation product; fibrinogen degradation product; flexor digitorum profundus; frontodextra... |
| FDQB | flexor digiti quinti brevis |
| FDS | Fellow in Dental Surgery; fiber duodenoscope; flexor digitorum superficialis |
| FHL | flexor hallucis longus; functional hearing loss |