Corpus: Auditory canal
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Synonym: Meatus acusticus
English: , auditory meatus
Definition[Bearbeiten]
The term auditory meatus can refer to two anatomical structures:
- the external auditory canal: Meatus acusticus externus
- the internal auditory canal: Meatus acusticus internus
Background[Bearbeiten]
Colloquially, the word "auditory canal" usually refers to the external auditory canal (Meatus acusticus externus). Together with the auricle, it forms the outer ear. It is approx. 2-3 cm long, has a diameter of 0.6-0.8 cm and has a slight, convex curvature towards the back and top (protective function). The auditory canal ends at the eardrum, which also marks the transition to the middle ear.