Menu Close

Where is temporal bone located?

Where is temporal bone located?

The temporal bone is a thick, hard bone that forms part of the side and base of the skull. This bone protects nerves and structures in the ear that control hearing and balance.

Are there two temporal bones?

The temporal bone consists of four parts— the squamous, mastoid, petrous and tympanic parts. The squamous part is the largest and most superiorly positioned relative to the rest of the bone.

What does petrous part of temporal bone mean?

: of, relating to, or constituting the exceptionally hard and dense portion of the human temporal bone that contains the internal auditory organs.

What is the densest bone?

petrous bone
Petrous comes from the Latin word ‘petrosus’, which means ‘stone-like, hard’. Its name says it all: due to its responsibility to protect the inner part of the ear, the petrous bone is one of the densest bones in the human body.

Is the temporal bone the hardest bone in the body?

Two temporal bones: These bones are located at the sides and base of the skull, and they are the hardest bones in the body. Each one includes the ears, which comprise the auditory ossicles-the three smallest bones in the body.

What is a petrous ridge?

The petrous ridge (petrous portion of temporal bone) separates the middle and posterior cranial fossae.

Which canal pass through the pyramid of temporal bone?

carotid canal
The carotid canal is a passageway through which the internal carotid artery passes through the petrous part of the temporal bone to emerge in the middle cranial fossa.

What race has the strongest bones?

This presentation will first review racial differences in fracture risk by sex that provide evidence to support the hypothesis that blacks have stronger bones than whites and then present data from two longitudinal observational cohort studies that demonstrate that bone mineral density, an estimate of bone mass that is …

Where is the petrous ridge of the skull?

The petrous ridge (petrous portion of temporal bone) separates the middle and posterior cranial fossae.

How are os temporale and petrous ridge related?

Related to Petrous ridge: os temporale. either of two compound bones forming part of the sides and base of the skull: they surround the organs of hearing. [′tem·prəl ‚bōn] (anatomy) The bone forming a portion of the lateral aspect of the skull and part of the base of the cranium in vertebrates.

Where is the petrous part of the temporal bone located?

[edit on Wikidata] The petrous part of the temporal bone is pyramid-shaped and is wedged in at the base of the skull between the sphenoid and occipital bones. Directed medially, forward, and a little upward, it presents a base, an apex, three surfaces, and three angles, and houses in its interior, the components of the inner ear.

How big is the meningioma of the petrous ridge?

3.4 cm avidly and homogenously enhancing convex mass with a broad meningeal attachment to the inferior aspect of the tentorium cerebelli and the adjacent petrous ridge. The mass covers the right internal auditory meatus and extends 1.4 cm into the auditory canal, but without overt expansion.