Rheogenic and passive Na+ absorption by the proximal nephron.
D000042:Absorption; D000818:Animals; D001001:Anura; D001692:Biological Transport; D001693:Biological Transport, Active; D002712:Chlorides / Q000378:metabolism; D004058:Diffusion; D004553:Electric Conductivity; D007687:Kidney Tubules, Proximal / Q000378:metabolism* / Q000502:physiology; D008433:Mathematics; D008564:Membrane Potentials; D051381:Rats; D012964:Sodium / Q000378:metabolism*; D014562:Caudata
D002712:Chlorides; D012964:Sodium