Anatomy Of The Ear

Front 1

What are the three main area of the ear and what is their function

Back 1

Outer - Ear - collects sound waves and channels them inwards
Middle - conveys sound vibrations to the oval window
Inner - house the receptors for hearing and equilibrium

Front 2

Describe the anatomy of the outer ear

Back 2

Consists of the Auricle, external auditory canal & tympanic membrane
Ear opening contains hairs and ceruminous glands that secrete cerumen(earwax) to trap dust

Front 3

Describe the anatomy of the middle ear

Back 3

Found in petrous portion of temporal bone
separated from outer and inner ear by tympanic membrane and oval window
Contains auditiry ossicles, connected by synovial joints- malleus, incus & stapes
Euchachian tube found here connects to nasopharnyx

Front 4

Describe the skeletal muscles found in the middle ear

Back 4

Tensor tympani muscles connect to ossicles and limit movement to prevent damage during loud noises and chewing

Front 5

What are the three channels of the cochlea

Back 5

Cochlear duct
Scala vestibule
scala tymphani

Front 6

what rests on the basilar membrane and what does it contain?

Back 6

The organ of corti, which contains the 16,00- hair cell receptors for hearing