petrous

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petrous

[′pe·trəs]
(materials)
Referring to a material whose hardness resembles that of stone.
References in periodicals archive ?
The petrous portion of the internal carotid artery (ICA) represents the continuation of the cervical portion of the ICA as it enters the petrous portion of the temporal bone via the carotid canal.
2) In the temporal bone, rhabdomyosarcomas arise in middle ear, extend to the mastoid and petrous portions of temporal bone, and eventually invade the cranium.
Computed tomography (CT) revealed that the tumor had invaded the left pterygopalatine fossa, the infratemporal fossa, and the skull base with infiltration of the petrous portion of the left temporal bone and the left cavernous sinus (figure 3).
Computed tomography (CT) detected a soft-tissue mass that involved the petrous portion of the right temporal bone and extended into the posterior right parasellar area (figure).
The internal carotid artery enters the carotid canal in the petrous portion of the temporal bone.