Filtered load
GFR * Px
Excretion rate
Ux * V
Reabsorption rate
filtered load - excretion rate
Secretion rate
excretion rate - filtered load
Fractional excretion
(excretion rate)/(filtered load)
Fractional reabsorption
(reabsorption rate)/(filtered load)
Clearance
(Ux * V)/Px
Filtration fraction
GFR/RPF
Is filtration favored or opposed?
Filtration = K[(Pc + Ot) - (Pt-Oc)]
Tm
Tm = filtered load - excretion rate