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superior border of petrous part of temporal bone


Definition: the margin that separates the anterior and posterior surfaces of the petrous part of the temporal bone and the lateral part of the middle cranial fossa from the posterior cranial fossa.

Synonym(s): margo superior partis petrosae ossis temporalisTA, crest of petrous part of temporal bone, crest of petrous temporal bone

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