The term transport maximum, Tm, refers to

a. the maximum amount of a substance that the tubular cells can transport within a given period.
b. the maximum amount of a substance that flows through the peritubular capillary within a given period.
c. the maximum rate of diffusion of sodium through the glomerular membrane.
d. the maximum amount of filtrate that can be produced in the presence of aquaporins.


A

Anatomy & Physiology

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