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Definition

noun

The passageway or canal in the auditory system from the auricle to the internal acoustic opening.

Supplement

The acoustic meatus is composed of the external acoustic meatus that transmits sound waves and the internal acoustic meatus that transmits vestibulocochlear nerve.

Word origin: from Latin meātus (course, channel), from meare (to go).

Synonyms:

• auditory meatus
• meatus acusticus

Related terms:

• external acoustic meatus
• internal acoustic meatus