( c ) identical cation sequence for tissue and vesicles , ( d ) similar anion sequence , ( e ) localization at the microvillus of the secretory canaliculus , ( f ) ti+ inhibiting h+ transport of both systems , and ( g ) the k+ gradient satisfying the osmotic gradient requirement for hcl-flow out of the parietal cell .
C0003075
anion
C0016327
f