as the presence of an amiloride-insensitive component of short-circuit current in non-cf colon is largely due to electrogenic cl- secretion , the demonstration that this component was absent both in vivo and in vitro in cf colon establishes the presence of a defect in electrolyte transport in cf colon , a defect consistent with recent reports of absent electrogenic cl- secretion in cf intestine .
C0002502
amiloride
C0010674
cf