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. 2016 Jul 26;113(32):E4716–E4725. doi: 10.1073/pnas.1605737113

Fig. 4.

Fig. 4.

Spatial gradients of voltage-dependent activation of AZ Ca2+ influx. (A and C) Polar charts display V0.5 (A) and k (C) of 210 AZs of 25 IHCs as a function of AZs location within IHCs (as in Fig. 2A). (B and D) (Upper) Histograms of V0.5 (B) or k (D) of AZs on the modiolar side (blue) and pillar side (red). (Lower) The box plots of V0.5 or k for pillar and modiolar AZs. V0.5 was more hyperpolarized for pillar AZs than for modiolar AZs (P < 0.001, Wilcoxon rank sum test). Modiolar and pillar AZs did not show statistically significant differences in k.