Petrous Bone
Synonyms
Bone, Petrous
Bones, Petrous
Petrous Bones
Petrous Pyramid
Petrous Pyramids
Pyramid, Petrous
Pyramids, Petrous
The dense rock-like part of temporal bone that contains the INNER EAR. Petrous bone is located at the base of the skull. Sometimes it is combined with the MASTOID PROCESS and called petromastoid part of temporal bone.