Internal ear

INTERNAL EAR
  • It is the essential part of the organ of hearing and receives peripheral ramifications of the auditory nerve.
  • It is also called as labyrinth due to its complexity of its shape.
  • It consists of two parts,
    • a complex membranous sac containing neuroepithelium filled with a fluid endolymph, the membranous labyrinth
    • a series of cavities in the petrous temporal bone encloses membranous part, the osseous labyrinth.
  • The two parts being separated by perilymphatic space containing a fluid the perilymph.

Last modified: Monday, 17 October 2011, 7:05 AM