Fenwick - Foley catheter
- FHRNST
- FHRS
- FHS
- FHSA
- FHSD
- FHT
- FHTG
- FHV
- FHVP
- FHx
- FI
- FI, FII, etc.
- FIA
- FIAC
- fiat
- FIB
- fib
- Fiber
- Fiber and bowel disorders
- Fiber and cholesterol
- Fiber and constipation
- fiber baskets
- fiber cell
- fiber density
- Fiber FISH
- fiber of Muller
- fiber of Remak
- fiber optics
- fiber tract
- fiber tracts of spinal cord
- fiber-illuminated
- fibercolonoscope
- FiberCon
- fibergastroscope
- fiberglass dermatitis
- fiberoptic
- fiberoptic bronchoscope
- fiberoptic bronchoscopy
- fiberoptic colonoscope
- fiberoptic endoscope
