Renal Potassium Transport

The sections in this article are: 1 External and Internal Potassium Balance 1.1 Internal Potassium Balance 1.2 External Potassium Balance 2 General Features of Renal Potassium Excretion 3 Cellular Mechanisms of Potassium Transport Along the Nephron 3.1 Glomerulus 3.2 Proximal Tubule 3.3 Loop of Henle 3.4 Potassium Recycling 3.5 Distal Tubule 3.6 Distal Convoluted Tubule 3.7 Connecting Tubule 3.8 Initial Collecting Tubule and Cortical Collecting Duct 3.9 Medullary Collecting Duct 3.10 Inner Medullary Collecting Duct 3.11 Amphibian Distal Nephron 4 Regulation of Potassium Transport 4.1 Potassium Intake and Plasma Potassium Concentration 4.2 Potassium Adaptation 4.3 Adrenal Steroids 5 Regulation of Potassium Excretion by Interactive Stimuli 5.1 Relationship between Plasma Potassium Concentration, Plasma Aldosterone, and Renal Potassium Excretion 5.2 Effects of Sodium Intake on Potassium Balance 5.3 Regulation of Potassium and Sodium Excretion during Alterations in Extracellular Fluid Volume 5.4 Regulation of Potassium and Sodium Excretion during Alterations in Potassium Intake