the na+-k+ pump inhibitor ouabain , when applied to the apical surface of the cd cells and basolateral surface of mpd cells , depolarized both cd cells ( from -28.6 +/- 3.6 to -16.8 +/- 2.4 mv , n = 5 ) and mpd cells ( from -23.8 +/- 0.5 mv to -19.5 +/- 1.8 mv , n = 6 ) .
C0699040
surface of
C0007634
cells