The Ear And Hearing And Balance Anatomy

Can result from the fusion of ossicles often improved by a hearing aid can result from otitis media can result from excessive earwax or a perforated eardrum sensorineural type of deafness. The pinna and external auditory canal form the outer ear which is separated from the middle ear by the tympanic membrane.

Ear Anatomy Overview Embryology Gross Anatomy

The outer ear the middle ear and the inner ear.

The ear and hearing and balance anatomy. The outer ear is composed of the pinna or ear lobe and the external auditory canal. Human ear human ear the physiology of balance. All three are involved in hearing but only the inner ear is responsible for balance.

The vestibular system is the sensory apparatus of the inner ear that helps the body maintain its postural equilibrium. Each plays a role in hearing and one a role in maintaining balance. Hearing and balance anatomy.

The ear consists of three parts. The middle ear houses three ossicles the malleus incus and stapes and is connected to the back of the nose by the eustachian tube. Connects middle ear with throat equalizes air pressure on both sides of the tympanic membrane.

There are three components to the ear. The outer middle and inner ear. Get vibrations from ear drum and bring to oval window that leads into the fluid of the inner ear which excites hearing receptors.

For the most part they are inaccessible to direct inspection with the exception of the ear canal and ear drum tympanic membrane. 54 anatomy and physiology of the ear and hearing figure 21. Can result from damage to the cochlear nerve sound is heard in one ear but not in the other during both bone and air conduction can result from a blood clot in the auditory cortex of the brain.

The information furnished by the vestibular system is also essential for coordinating the position of the head and the movement of the eyes.

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