Ear canal
Tube running from the outer ear to the middle ear / From Wikipedia, the free encyclopedia
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The ear canal (external acoustic meatus, external auditory meatus, EAM) 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 2.5 centimetres (1 in) in length and 0.7 centimetres (0.3 in) in diameter.
Quick Facts Details, Precursor ...
Ear canal | |
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Details | |
Precursor | Groove (cleft) of the first branchial arch[1] |
Artery | Anterior part: superficial temporal artery posterior part: posterior auricular artery |
Vein | Superficial temporal veins, external jugular vein, pterygoid plexus |
Nerve | Auriculotemporal nerve, great auricular nerve, auricular branch of vagus nerve |
Lymph | Superficial cervical lymph nodes, deep cervical lymph nodes |
Identifiers | |
Latin | meatus acusticus externus |
MeSH | D004424 |
TA98 | A15.3.01.045 |
TA2 | 6867 |
FMA | 61734 |
Anatomical terminology |
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