The spiral ligament is a fibrous cushion located between the stria vascularis and the bony otic capsule. The

periosteum The periosteum is a membrane that covers the outer surface of all bones, except at the articular surfaces (i.e. the parts within a joint space) of long bones. (At the joints of long bones the bone's outer surface is lined with "articular cartila ...

, forming the outer wall of the

cochlear duct Cochlear, the adjective form of cochlea, may refer to: * Cochlear implant, a sensory aid for the deaf * Cochlear nuclei, the ventral cochlear nucleus and the dorsal (or lateral) cochlear nucleus * Vestibular-cochlear or Vestibulocochlear nerve, ...

(), is greatly thickened and altered in character.

Additional images

File:Gray903.png, Transverse section of the cochlear duct of a fetal cat. File:Gray928.png, Diagrammatic longitudinal section of the cochlea.

References

External links

Histology at cuni.cz
*
Diagram
at IUPUI Ear Ligaments of the head and neck {{anatomy-stub