FF

• 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