44. Cranial Fossa and Foramina Flashcards
What structures pass through the foramen ovale?
Otic Ganglion V - CN V Accessory meningeal artery Lesser petrosal nerve Emissary veins
(spells ovale)
Which artery passes through the foramen spinosum?
Middle meningeal artery
What is the pathway taken by the internal carotid artery in the skull?
Carotid canal then foramen lacerum
Where is the primary olfactory cortex?
Amygdala
Where is the olfactory nerve found?
Cribiform plate
Which part of the brain is the optic nerve an extension of?
Diencephalon
Where do the optic tracts head?
Most to lateral geniculate body (thalamus) the striate area (visual cortex)
Some along medial root (non-geniculate)
Through which fissure does the oculomotor nerve pass?
Superior orbital fissure
What does the oculomotor nerve supply?
Motor - IO, SR, IR, MR and levator palpabrae
Parasympathetic - sphincter pupillae and ciliary muscle
Through which fissure does the trochlear nerve pass?
Superior orbital fissure
What does the trochlear nerve supply?
Motor - SO
