Epithelial electrolyte transport: interrelationships between H+, HCO−3 and Cl−

Abstract

Epithelia are responsible for the directional transport of selected materials to and from the external environment: absorption involves transport into the epithelial cell across the apical (luminal) cell membrane, followed by exit across Abbreviations used: BCECF, 2',7'-bis(carboxyethyl)-5(6')carboxyfluorescein; ACh, acetylcholine; DIDS, 4,4'-di-isothio- 322.273-286256, C28X-C295