Cochlear Anatomy

Gross anatomy the cochlea is a shell shaped spir. The bony spiral lamina is represented by the threads of the screw.

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The cochlea is the main structure of the human auditory system.

Cochlear anatomy. It is not actually an organ itself but a bony structure in the inner ear that contains the auditory organ. The basilar membrane a main structural element that separates. The cochlear structures include.

Cochleae is part of the inner ear osseous labyrinth found in the petrous temporal bone. Cochlea is a snail like structure in the inner ear. Cochlear anatomy the cochlea has a bony core called the modiolus.

The helicotrema the location where the tympanic duct and the vestibular duct merge. Mechanical senses inner ear which contains the cochlea. Three scalae or chambers.

The modiolus defines the medial direction in the cochlea the outside wall is lateral. Sound waves travel into the outer ear canal vibrating the structures of the air filled middle air which transmit the waves to the fluid of the inner ear by the stapes bone hitting a membrane called the oval window. When sounds are collected from the pinna through ear canal then reach on the ear drum.

The vibration of ear drum causes the three bones of the middle ear to vibrate and then the foot plate of the stapes vibrates in the oval window. Transmission of sound waves in the cochlea the mechanical vibrations of the stapes footplate at the oval window creates pressure waves in. Reissners membrane which separates the vestibular duct from the cochlear duct.

The cochlea has a base screw head and an apex point. It contains the cochlear duct part of the membranous labyrinth which senses hearing. Physiology of hearing in senses.

The cochlea is a complex coiled structure.

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