Efferent colloid osmotic pressure

To determine the protein concentration Ce in the efferent blood we assume that filtration equilibrium is established before the blood leaves the glomerular capillaries, i.e., that the glomerular hydrostatic pressure minus the efferent colloid osmotic pressure Posm equals the tubular pressure. The experimentally determined relation between the colloid osmotic pressure and the protein concentration C can be described as [16] ... 

Because of the implicit manner in which the glomerular pressure is related to the efferent colloid osmotic pressure and the filtration rate [Eqs. (5)—(8)], direct solution of the set of coupled algebraic equations for the two-nephron system becomes... 

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