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.

Cochlea

Diagram of a section of a coil of the cochlea of the ear. Labels: C.C, canal of the cochlea; mR, its…

The lamina reticularis, which is a delicate perforated membrane which extends from the articulations of the rods outward to the external row of the outer hair cells. It is part of the Organ of Corti (organon spirale), also known as the Papilla Spiralis.

The Lamina Reticularsis

The lamina reticularis, which is a delicate perforated membrane which extends from the articulations…

The Organ of Corti (organon spirale), also known as the Papilla Spiralis. It is situated on the inner surface of the membrana or lamina basilaris, is overlapped by the free edge of the membrana tectoria, and appears s a papilla winding spirally throughout the length of the membranous cochlea.

The Organ of Corti

The Organ of Corti (organon spirale), also known as the Papilla Spiralis. It is situated on the inner…