Medical Terminology Letter F
| TERM | MEANING |
| -facient | to cause, make happen |
| faci/o | face |
| fasci/o | fascia |
| febr/i | fever |
| femor/o | femur |
| femto- | one quadrillionth (10⁻¹⁵) |
| ferr/i, ferr/o | iron |
| fet/o | fetus |
| fibr/o | fiber, fibrous |
| fibul/o | fibula |
| fil/o, fil/i, filament/o | thread, thread-like |
| fimbria/e | thread-like |
| flav/o | yellow |
| flex/o, flect/o | bend |
| flu/o, flux/o | to flow |
| fluor/o | fluorine |
| follicul/o | small sac, follicle |
| fore- | before, in front |
| -form | specified shape, form |
| frig/o, frigid/o | cold |
| funct/o | performance |
| fung/i | fungus, mushroom |
| fuse/o | dark brown |
