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internal acoustic opening


Definition: the inner opening of the internal acoustic meatus on the posterior surface of the petrous part of the temporal bone.

Synonym(s): porus acusticus internusTA, auditory pore, internal acoustic foramen, internal acoustic pore, internal auditory foramen, opening of internal acoustic meatus, orifice of internal acoustic meatus

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.