in tissues perfused with n-2-hydroxyethylpiperazine-n'-2-ethanesulfonic acid ( hepes ) -100 % o2 buffer [ extracellular ph ( pho ) = 7.14 ] , steady-state phi in antral surface cells was 7.08 +/- 0.06 ( n = 8 ) , in fundic oxynticopeptic cells 6.91 +/- 0.03 ( n = 13 ) , in the muscularis mucosa 7.58 +/- 0.06 ( n = 4 ) .
C0699040
surface cells
C0007634
cells