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== Petrous == ...e word is derived from the Latin ''petrosus'', meaning "rocky", due to the bone's hard, dense nature.

...ing "rocky", which is a reference to the hard, dense nature of the petrous bone. ...ral bone]] and houses the [[inner ear]]. It is one of the densest bones in the human body. There are several structures that are referred to as petrosal,

== Petrous part == ...tin word "petrosus", meaning "rocky", due to the hard, dense nature of the bone.

== Temporal Bone == ...n the sides and base of the skull, and lateral to the [[temporal lobe]] of the brain.

...trosal sinus]]. Both are located in the [[petrous part]] of the [[temporal bone]]. ...in reference to the hard, rocky nature of the petrous part of the temporal bone where these sinuses are located.

...f [[radiology]] to visualize the [[petrous part of the temporal bone]] and the [[mastoid process]]. It is named after Dutch radiologist, [[Gerrit Stenvers ...th that the x-ray beam takes through the patient's body from the source to the image receptor.

...] base. It houses the [[cerebellum]], [[brainstem]], and the structures of the [[inner ear]]. ..."ditch or trench". Thus, it refers to the trench-like space at the back of the skull.

...(the anterior, middle, and posterior cranial fossae), which together house the brain. ...t structures, including the [[Temporal Lobe|temporal lobes]] of the brain, the [[Pituitary Gland|pituitary gland]], and several cranial nerves.

...to the natural body passage leading into the ear. The term is derived from the Latin words 'audire' meaning 'to hear' and 'meatus' meaning 'passage'. ...be the passage that leads into the ear, which is responsible for the sense of hearing.

...internal passages of the [[ear]] that transmit sound from the outer ear to the [[eardrum]]. The term "acoustic meatus" is derived from the Latin words "acusticus," meaning "pertaining to hearing," and "meatus," mea

...nunciation: doh-REL-ohs kuh-NAL) is a small, anatomical passage located in the [[human skull]]. It is named after Italian anatomist [[Carlo Giacomini Dore ...ist who made significant contributions to the field of [[neuroanatomy]] in the late 19th and early 20th centuries.

...be something that has a curved or bow-like shape. The term is derived from the Latin word ''arcuatus'', which means 'bowed' or 'curved'. The term 'arcuate' is derived from the Latin word ''arcuatus'', which means 'bowed' or 'curved'. It is often used

'''Semilunar''' (pronunciation: /ˌsɛmɪˈluːnər/), from the Latin ''semi'' meaning "half" and ''luna'' meaning "moon", refers to anythi ...half, and ''luna'', which means moon. This term is often used in the field of [[Anatomy]] to describe structures that have a crescent or half-moon shape.