From Latin,
petrous, meaning rocky.
Petrous portion can refer to:
Petrous portion of the temporal bone
Petrous portion of the internal
Kaynak: Petrous portionThe
petrous portion of the temporal bone or pyramid is pyramidal and is wedged in at the base of the skull between the sphenoid and
Kaynak: Petrous part of the temporal boneGradenigo's syndrome, also called Gradenigo-Lannois syndrome and
petrous apicitis, is a complication of otitis media and mastoiditis
Kaynak: Gradenigo's syndromeThe structure of the squama is like that of the other cranial bones: the mastoid portion is spongy, and the
petrous portion dense and hard.
Kaynak: Temporal boneThe mastoid antrum (tympanic antrum, antrum mastoideum, Valsalva's antrum) is an air space in the
petrous portion of the temporal bone ,
Kaynak: Mastoid antrumThis grooved surface of the foramen magnum is separated on either side from the
petrous portion of the temporal bone by the petro-
Kaynak: Petro-occipital fissureThe sphenopetrosal fissure (or sphenopetrosal suture) is the cranial suture between the sphenoid bone and the
petrous portion of the
Kaynak: Sphenopetrosal fissureThe lateral half of the great wing articulates, by means of a synchondrosis , with the
petrous portion of the temporal , and between
Kaynak: Sulcus for auditory tubeThe petrosquamous sinus, when present, runs backward along the junction of the squama and
petrous portion of the temporal , and opens
Kaynak: Petrosquamous sinusThe petrosquamous suture is a cranial suture between the
petrous portion and the squama of the temporal bone . External links
Kaynak: Petrosquamous sutureThe hiatus for lesser petrosal nerve is a hiatus in the
petrous part of the temporal bone which transmits the lesser petrosal nerve .
Kaynak: Hiatus for lesser petrosal nerveIn radiology , oblique view of skull, to establish better views for
petrous bone , bony labyrinth and internal auditory canal .
Kaynak: Stenvers projectionTerminologia Anatomica in 1998 subdivided the artery into four parts: "cervical", "
petrous", "cavernous", and "cerebral However, in
Kaynak: Internal carotid arteryIt is separated from the posterior fossa by the clivus and the
petrous crest . the superior angles of the
petrous portions of the temporal
Kaynak: Middle cranial fossa