254
h FLOCK
Fig. 12. The stereocilia are surrounded by a triple-layered plasma membrane
which is continuous with that of the cell's apical surface.
Fig. 13. Schematic drawing showing the ultrastructure of the basal portion of
the kinocilium with its basal body and one neighboring stereocilium. The arrow
indicates the direction of excitatory deformation. From Flock ( 1965).