BETA ZEN
Ear canal
Texto da Wikipédia (en), licença CC BY-SA. O BETARUBI mostra o verbete inteiro nesta página — a leitura não continua fora do site.
The ear canal is a pathway running from the outer ear to the middle ear. The adult human ear canal extends from the auricle to the eardrum and is about 25 millimetres (1 in) in length and 7 millimetres (0.3 in) in diameter.