The ear canal (external auditory meatus, external acoustic meatus), is a tube running from the outer ear to the middle ear. The ear canal extends from the pinna to the eardrum and is about 26 mm in length and 7 mm in diameter.
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Ear canal n. The narrow, tubelike passage through which sound enters the ear. Also called external auditory canal. [more]Ear canal - Community and Resources
Noun 1. either of the passages in the outer ear from the auricle to the tympanic membrane (synonym) auditory meatus, acoustic meatus, auditory canal, external auditory canal (hypernym) meatus (part-holonym) external ear, outer ear (part-meronym) auriculare, auricular point
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