The mechanism of fluid and electrolyte transport across corneal endothelium: Critical revision and update of a model

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Abstract
A model for endothelial transport is updated to include recent evidence. We discuss electrolyte movements based on a Na+-K+ ATPase, a Na+-H+ exchanger, a Na+-HCO3 coupler, a Cl−-HCO3 exchanger, a K+-C1− coupler, and K+ and anion channels. We discuss near-isotonic transport of fluid on the basis of recent findings of high endothelial osmotic permeability.