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skull addendum

skull addendum for kari comps

QuestionAnswer
What are the divisions of the cranial bones? calvaria and floor
What are the functions of the facial bones? provide structure and shape for the face and protect the upper respiratory and digestive tract
What artery does the pterion lie near? middle meningeal artery
At what age is the skull considered adult size? 12 years
What area does the anterior cranial fossa cover? anterior frontal bone to lesser wings of sphenoid
Which is more anterior: lesser wings of the sphenoid or the greater wings? the lesser
What area does the middle cranial fossa cover? lesser wings of sphenoid to petrous portion
The posterior cranial fossa lies where? posterior to the petrous ridge
What anatomy lies within the posterior cranial fossa? cerebellum, pons, and medulla oblongata
By how much do normal skulls vary in size? 1 inch
Average dimensions of the skull 6” x 7” x 9”
What must change with a variation in skull size by more than 1 inch? add a 5 degree change in tube angle
What is the most superior part of the bony nasal septum? the nasal spine of the frontal bone
What passes through the cribiform plate of the ethmoid bone? olfactory nerves
What forms the superior portion of the bony nasal septum? perpendicular plate of the ethmoid bone
This piece of anatomy sits below the dorsum sellae and supports the pons clivus
Which wings of the sphenoid form the roofs of the orbits? lesser
What creates the occipitoatlantal joints? the superior facets of the atlas and the occipital condyles.
The petrous portion contains organs for: hearing and balance
The petrous portion lies: medially and anteriorly between the greater wing of the sphenoid and the occipital bone
TMJ joint type hinge and gliding
Atlantooccipital joint type ellipsoidal
Technique used for AP or PA skull 80 @ 20
Technique used for lateral skull 80 @ 16
Contre-coup fracture fracture to one side of a structure caused by trauma to the other side
Basal fracture located at the base of the skull
Created by: annaluz87