Fig. 8.

Schematic diagrams summarize the P2Y receptor expression pattern in the neonatal (a) and adult (b) cochlea. bc basal cells, cf tunnel crossing fibers, cl Claudius cells, cp cuticular plate, ep epithelial cells, fp footplate, hp head plate, id interdental cells, igsb intraganglionic bundle, ihc inner hair cells, isp inner spiral plexus, m mesenchymal cells, mc marginal cells, ohc outer hair cells, rm Reissner's membrane, pc pillar cells, sb spiral limbus, sgn spiral ganglion neurons, sl spiral ligament, sp spiral prominence, sv stria vascularis