PARIETAL BONE AND TEMPORAL BONE
Terms
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- Parietal bone
-
forms the greater portions of the the sides and rood of the cranial cavity
contains protrusions and depressions that accomodate the blood vessels - Superior sagittal sulcus
- groove in btwn. the parietal bones
- Temporal squama
- thin, flat portion of the temporal bone that forms the anterior and superior part of the temple.
- Zygomatic process
- projecting from the inferior portion of the temporal squama which articulate with the temporal process of the zygomatic bone
- Mandibular fossa
- inferior posterior surface of the zygomatic process of the temporal bone is a socket
- Mastoid portion
-
posterior and inferior to the external auditory meatus
also "breast shaped" - Mastoid process
- a rounded projection of the mastoid portion of the temporal bone posterior to the external auditory meatus.
- external auditory meatus
-
ear canal
directs sound waves into the ear - internal auditory meatus
- the opening through which the facial and vestibulocochlear cranial nerves pass
- Petrous portion
-
floor of the cranial cavity of the temporal bone
triangular and located at the base of the skull between the sphenoid and occipital bones.
houses the internal ear and the middle ear - Carotid canal (foramen)
- The coratid artery passes
- Jugular foramen
- a passageway for the jugular vein