What are petrous?

  • (adj): (of bone especially the temporal bone) resembling stone in hardness.
    Synonyms: stonelike

Some articles on petrous:

Internal Carotid Artery - Course - C2: Petrous Segment
... The petrous segment, or C2, of the internal carotid is that which is inside the petrous part of the temporal bone ... The petrous portion classically has three sections an ascending, or vertical portion the genu, or bend and the horizontal portion ... When the internal carotid artery enters the canal in the petrous portion of the temporal bone, it first ascends a short distance, then curves anteriorly and medially ...
Abducens Nerve - Peripheral Anatomy
... At the tip of the petrous temporal bone it makes a sharp turn forward to enter the cavernous sinus ... For example, fractures of the petrous temporal bone can selectively damage the nerve, as can aneurysms of the intracavernous carotid artery ... from the pons and the point where it hooks over the petrous temporal bone ...
Transverse Sinuses
... forward, describing a slight curve with its convexity upward, to the base of the petrous portion of the temporal bone, and lies, in this part of its course, in the attached margin of the tentorium cerebelli it ... They receive the blood from the superior petrosal sinuses at the base of the petrous portion of the temporal bone they communicate with the veins of ... present, runs backward along the junction of the squama and petrous portion of the temporal, and opens into the transverse sinus ...
Petrous Portion
... Petrous portion can refer to Petrous portion of the temporal bone Petrous portion of the internal carotid artery ...
Petrous Portion Of The Internal Carotid Artery
... Petrous portion of the internal carotid artery (or petrous segment).—When the internal carotid artery enters the canal in the petrous portion of the temporal bone, it first ...