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LifeMap Discovery will be presented at
World Stem Cell Summit 2013
Click here for details
Intercalated cells mediate acid-base secretion via two types of transport: active H+ transport, mediated by the H+-ATPase ("proton pump"), and Cl–/HCO3– exchanger. Intercalated cells arrange the two transport mechanisms on opposite membranes to enable either acid or base secretion. These cells do not participate in sodium absorption.