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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. ^ a b c Unless else specified in boxes, then ref is Walter F., PhD. Boron. Medical Physiology: A Cellular And Molecular Approaoch. Elsevier/Saunders. ISBN 1-4160-2328-3.  Page 761
v • d • e
Urinary system, physiology: renal physiology and acid base physiology
FiltrationRenal blood flow - Ultrafiltration - Countercurrent exchange
Hormones affecting filtrationAntidiuretic hormone (ADH) - Aldosterone - Atrial natriuretic peptide
Secretion/clearancePharmacokinetics - Clearance of medications
ReabsorptionSolvent drag -Na+ - Cl- -urea -glucose -oligopeptides -protein
EndocrineRenin - Erythropoietin (EPO) - Calcitriol (Active vitamin D) - Prostaglandins
Assessing Renal function / Measures of dialysisGlomerular filtration rate - Creatinine clearance - Renal clearance ratio - Urea reduction ratio - Kt/V - Standardized Kt/V - Hemodialysis product - PAH clearance (Effective renal plasma flow - Extraction ratio)
Acid base physiologyFluid balance - Darrow Yannet diagram - Body water - Interstitial fluid - Extracellular fluid - Intracellular fluid/Cytosol - Plasma - Transcellular fluid - Base excess - Davenport diagram - Anion gap - Arterial blood gas
Buffering/compensationBicarbonate buffering system - Respiratory compensation - Renal compensation
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Table_of_permselectivity_for_different_substances". A list of authors is available in Wikipedia.
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