Ear canal

（重定向自External 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.

单词	External Auditory Canal
释义	External Auditory Canal 英语例句库 Single cancellous osteomas, unlike exostosis, are a relatively rare lesion in the external auditory canal. 单一性疏松骨瘤，不像外生骨疣，是一个外耳道较少见的病灶。英语百科 Ear canal （重定向自External 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.
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