| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
|---|---|
| FC | fasciculus cuneatus; fast component [of a neuron]; febrile convulsions; feline conjunctivitis; ferri... |
| FTF | finger to finger |
| HIPO | hemihypertrophy, intestinal web, preauricular skin tag, and congenital corneal opacity [syndrome]; H... |
| PCW | pericanalicular web; personal care worker; primary capillary wedge; pulmonary capillary wedge; purif... |