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Ear structure – outer, middle, inner

The structure of the ear includes: the outer ear, the middle ear and the inner ear, in turn, the sense of hearing in humans is the ability to distinguish sounds from the environment. The ears are responsible for hearing. How exactly are they built?

Ear construction

The human ear is responsible for receiving external waves, which are then converted into mechanical vibrations and then into nerve impulses.

It is built from the ear:

  • external,
  • middle ,
  • internal affairs.

The outer and middle ear belong exclusively to the organ of hearing, while the inner ear contains receptors for both the organ of hearing and balance.


Outer ear

The outer ear begins with the auricle (auricula) on the lateral surface of the head in the form of a skin fold reinforced with cartilaginous elements. The shell passes into the external auditory canal (meatus acusticus externus).

The lateral part has a cartilaginous skeleton (cartilago auricularis), while the medial part is formed by the temporal bone. This wire is sent through the skin.

Middle ear

The middle ear is separated from the outer ear by a tympanic membrane. The largest part of the middle ear is the tympanic cavity, which contains the auditory ossicles (ossicula auditis). Sound waves hitting the tympanic membrane cause it to vibrate, which is transmitted to the auditory ossicles and this way reaches the inner ear where the appropriate receptors are located for them.

From the inner ear, information about the heard sound reaches the brain through the nerves. With age, there is senile deafness-hearing impairment is caused by damage to the ear due to age.

Any disturbing hearing abnormalities should be discussed with your doctor. You can do this in a traditional doctor’s office on the basis of the provision of nfz or use private, free testing programs. Specialists will examine the hearing, as well as indicate the appropriate ways to improve hearing, if necessary.

The tympanic cavity narrows to the front to form the auditory tube (tuba auditiva), reaching the throat. The auditory tube is necessary to maintain a balance of pressure inside and outside the tympanic membrane and to drain mucus and other secretions from the middle ear into the throat.


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