PH DEPENDENCY OF SODIUM AND CHLORIDE TRANSPORT IN ISOLATED HUMAN CORNEA

  • 1 January 1978
    • journal article
    • research article
    • Vol. 17  (8) , 810-813
Abstract
Na+ and Cl- net transport in isolated human cornea preparations were pH dependent. Na+ net transport was directed from aqueous humor to tear side at pH 7.6 and 8.6. At pH 7.4, net Na+ flux did not differ significantly from zero, and at pH 7.0, net Na+ transport was directed towards the aqueous humor side. Cl- net flux at pH 8.6 and 7.6 was also directed from aqueous humor to tear side. Acidification of the bathing solution to pH 7.4 and 7.0 was followed by a decrease in Cl- net fluxes to values not significantly different from zero.

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