Description
Diagram of a section of a coil of the cochlea of the ear. Labels: C.C, canal of the cochlea; mR, its upper wall; Sc.V, the part of the bony cavity above the canal of the cochlea; Sc.T, the part below it; O.C, the organ of Corti on the basilar membrane; A.N., branch of auditory nerve in the central column of the spiral; a, connective tissue cushion to which the basilar membrane is attached; b, the bony walls; m.t, a membrane lying over the organ of Corti; l.s, the spiral ledge projecting from the axis.