Neuronal Currents (s) having In cilia; K 0.5 for Ca activation is 5 uM; most of Ca activated current is carried by chloride and persists in the absence of Na and K; Cl channel inhibitor 3',5-dichlorodiphenylamine-2-carboxylate (300uM) reduces current 90%; other Cl-channel inhibitors were tested [SITS, DIDS, A9C, DPC, NPPB, DCDPC] as Publication facts