Examlex
In Huntington disease, as the number of CAG repeats on the HTT (huntingtin) gene exceeds 40, the:
External Auditory Canal
Short canal that opens to the exterior environment and terminates at the eardrum; part of the external ear.
Eardrum
Cellular membrane that separates the external from the middle ear; vibrates in response to sound waves; also called tympanic membrane.
Inner Ear
The innermost part of the ear, containing the cochlea, vestibule, and semicircular canals, responsible for sound detection and balance.
Organ of Hearing
The ear, particularly the inner part, which includes structures such as the cochlea that are essential for the auditory perception.
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