6th December 2019

webmd
15

What is the function of the ear canal?

The outer ear is called the pinna and is made of ridged cartilage covered by skin. Sound funnels through the pinna into the external auditory canal, a short tube that ends at the eardrum (tympanic membrane).

Subsequently, one may also ask, what is the auditory canal?

The ear canal (external acoustic meatus, external auditory meatus, EAM; Latin: meatus acusticus externus) is a tube running from the outer ear to the middle ear. The adult human ear canal extends from the pinna to the eardrum and is about 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.

How does the auditory canal work?

External auditory canal. External auditory canal, also called external auditory meatus, or external acoustic meatus, passageway that leads from the outside of the head to the tympanic membrane, or eardrum membrane, of each ear. The structures of the outer, middle, and inner ear.

What is the function of the auditory tube in the ear?

Pharyngotympanic tube. The eustachian tube is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity. It controls the pressure within the middle ear, making it equal with the air pressure outside the body.
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