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External Auditory Meatus: The external auditory meatus is a tube in the outer ear that runs through the temporal bone in the skull. Sound waves travel from outside the body to the middle ear through the external auditory meatus. The external auditory meatus connects the outermost, external structure of the ear, the auricle, to the tympanic membrane.
Sound waves travel through the outer ear, into the middle ear where they cause vibration of the tympanic membrane. These vibrations are then transmitted through the auditory bones and into the cochlea of the inner ear. In the inner ear, sound vibrations are converted into electrical impulses and carried by the 8th cranial nerve to the brain.
Conditions that can afflict the external auditory meatus include swimmer's ear, stenosis, foreign bodies, and trauma.
The following organs are closely related to the organ: External Auditory Meatus:
The following conditions are related to the organ: External Auditory Meatus:
The following are other names for the organ: External Auditory Meatus:
These symptoms are related to afflictions of the organ: External Auditory Meatus:
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