The petrous portion is among the most basal elements of the skull and forms part of the endocranium. Petrous comes from the Latin word petrosus, meaning "stone-like, hard". It is …

Jul 21, 2025 · The petrous part of the temporal bone, also known as the petrous temporal bone (PTB), petrous pyramid, or petrous face 5, forms the part of skull base between the sphenoid …

Jun 18, 2025 · The meaning of PETROUS is of, relating to, or constituting the exceptionally hard and dense portion of the human temporal bone that contains the internal auditory organs.

Petrous definition: noting or pertaining to the hard dense portion of the temporal bone, containing the internal auditory organs; petrosal.. See examples of PETROUS used in a sentence.

In short, nerve branches that go through the petrous bone, namely, the chorda tympani, the vestibular nerve, and the cochlear nerve, have been successively stimulated.

Mar 10, 2023 · The petrous part of temporal bone has a triangular or pyramid-like shape, with its apex directed forward and inward, and its base facing outward and to the side.

Aug 26, 2023 · The petrous part is a wedge shaped mass of bone located between the sphenoid and occipital bones within the cranial cavity. It is the most medial part of the temporal bone, …

The petrous apex forms the most medial aspect of the temporal bone and is defined laterally by the otic capsule, petrous carotid artery, and the semicanal of the tensor tympani muscle.

Nov 15, 2025 · petrous Definitions of petrous adjective (of bone especially the temporal bone) resembling stone in hardness synonyms: stonelike

The petrous part (also called the pyramid) is the part of the temporal bone which houses the inner ear. It is located in the base of the skull between the sphenoid and occipital bones.