Figure 4From: Apical membrane P2Y4 purinergic receptor controls K+ secretion by strial marginal cell epitheliumSummary recordings of Isc (Ussing chamber) of strial marginal cells during apical perfusion of ATP (10-3 M) for 15 min. Vertical bars are SEM (not all shown; spaced for clarity; n = 6).Back to article page