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Medical Definition of Petrous part of temporal bone
1. The part of the temporal bone that contains the structures of the inner ear and the second part of the internal carotid artery; in antenatal life it appears as a separate ossification centre. Synonym: pars petrosa ossis temporalis, periotic bone, petrosal bone, petrous pyramid. (05 Mar 2000)
Lexicographical Neighbors of Petrous Part Of Temporal Bone
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