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Medical Term:

bony part of external acoustic meatus

 

Definition: the medial two thirds of the external acoustic meatus, which is formed as the tympanic plate of the temporal bone develops; it extends approximately 16 mm from its junction with the cartilaginous part to the tympanic membrane.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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