Osteology of the Base of the Skull Flashcards
What lobes does the anterior cranial fossa contain?
The frontal lobes
What lobes does the middle cranial fossa contain?
The temporal and parietal lobes of the brain
What lobes does the posterior cranial fossa contain?
The cerebellum, brainstem and the occipital lobe
What bones is the anterior cranial fossa made up of?
The frontal bone
Ethmoid bone (cribiform plate and crista galli)
Lesser wing of the sphenoid bone
What bones/foramen/canals is the middle cranial fossa made up of?
Superior orbital fissure
Optic canal
Greater wing and the body of the sphenoid
Temporal bones (petrous is the hardest part)
Pituitary fossa (Sella Turcicia)
Foramen rotundum
Foramen ovale
Foramen spinosum
What bones/foramen/canals is the posterior cranial fossa made up of?
Occipital bone
Foramen magnum
Hypoglossal canal
Internal acoustic meatus (internal auditory meatus)