Table 3.

Solute fluxes and radial concentration gradients across a 10-μm IM interstitial layer, 1 mm below the OM-IM boundary

	IMCD Flux, pmol·min−1·nephron−1		Concentration Difference, mM
	Ref. 57	This study	Ref. 57	This study
Na+	90	134.9	0.8	0.92
Urea	1500	27.9	13.5	7.11
Oxygen	5.0	5.7	45 × 10−3	5.3 × 10−3