FF

Abbreviation for filtration fraction.

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degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor; field of Forel; filtration fraction; fine fiber; fine focus; finger flexion; finger-to-finger; fixation fluid; flat feet; flip-flop; fluorescent focus; follicular fluid; force fluids; forearm factor; forearm flow; forward flexion; foster father; free fraction; fresh frozen; fundus firm

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FF abbr

1) fat free

2) filtration fraction