Table of permselectivity for different substances

This is a table of permselectivity for different substances in the glomerulus of the kidney in renal filtration.

Substance	Molecular mass ^[1]	Effective molecular radius (nm) ^[1]	conc. in ultrafiltrate / conc. in blood plasma ^[1]
sodium	23	0.1	1.0
potassium	39	0.14	1.0
chloride	35,5	0.18	1.0
water	18	0.15	1.0
urea	60	0.16	1.0
glucose	180	0.33	1.0
sucrose	342	0.44	1.0
polyethylene glycol	1.000	0.70	1.0
inulin	5.200	1.48	0.98
lysozyme	14.600	1.90	0.8
myoglobin	16.900	1.88	0.75
lactoglobulin	36.000	2.16	0.4
egg albumin	43.500	2.80	0.22
Bence Jones protein	44.000	2.77	1.0
hemoglobin	68.000	3.25	0.03
serum albumin	69.000	3.55	<0.01

References

1 2 3 Walter F. Boron, Emile L. Boulpaep. Medical Physiology: A Cellular And Molecular Approach. Elsevier/Saunders. ISBN 1-4160-2328-3. Page 761

Secretion	clearance Pharmacokinetics Clearance of medications Urine flow rate

Reabsorption	Solvent drag sodium chloride urea glucose oligopeptides protein

Renal function	Glomerular filtration rate Creatinine clearance Renal clearance ratio Urea reduction ratio Kt/V Standardized Kt/V Measures of dialysis Hemodialysis product PAH clearance (Effective renal plasma flow Extraction ratio)

Filtration	Renal blood flow Ultrafiltration Countercurrent exchange Filtration fraction

Hormones

Other

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