What Nerve and What Hole? Flashcards
What passes through the foramen cecum?
nasal emissary vein (1% of population)
What passes through the cribriform foramina in the cribriform plate?
CN I - olfactory nerve (axons of olfactory cells that form olfactory nerves)
What passes through the anterior and posterior ethmoidal foramina?
ethmoidal vessels and nerves
What foramina and apertures are located within the anterior cranial fossa?
foramen cecum
cribriform foramina
anterior/posterior ethmoidal foramina
What passes through the optic canals?
CN II (optic nerves) ophthalmic arteries
What passes through the superior orbital fissure?
ophthalmic veins CN V1 (ophthalmic nerve branch of trigeminal nerve) CN III (oculomotor) CN IV (trochlear) CN VI (abducent) sympathetic fibers
What passes through the foramen rotundum?
maxillary nerve (CN V2)
What passes through the foramen ovale?
mandibular nerve (CN V3) accessory meningeal artery
What passes through the foramen spinosum?
middle meningeal artery
middle meningeal vein
meningeal branch of CN V3
What passes through the foramen lacerum?
deep petrosal nerve
meningeal arterial branches
What passes along the groove or hiatus of the greater petrosal nerve?
greater petrosal nerve
petrosal branch of middle meningeal artery
What foramina and apertures are located within the middle cranial fossa?
optic canals superior orbital fissure foramen rotundum foramen ovale foramen spinosum foramen lacerum groove/hiatus of greater petrosal nerve
What passes through the foramen magnum?
medulla and meninges vertebral arteries CN XI (spinal accessory nerve) dural veins anterior/posterior spinal arteries
What passes through the jugular foramen?
CN IX (glossopharyngeal) CN X (vagus) CN XI (spinal accessory) superior bulb of internal jugular vein inferior petrosal and sigmoidal sinuses meningeal branches of ascending pharyngeal and occipital arteries
What passes through the hypoglossal canal?
CN XII (hypoglossal)
What passes through the condylar canal?
emissary vein (that passes from sigmoid sinus to vertebral veins in the neck)
What passes through the mastoid foramen?
mastoid emissary vein (from sigmoid sinus and meningeal branch of occipital artery)
Which foramen or aperture does the olfactory nerve pass through?
cribriform foramina in cribriform plate
What foramen or aperture does the optic nerve pass through?
optic canal
What foramen or aperture does the oculomotor nerve pass through?
superior orbital fissure
Which foramen or aperture does the trochlear nerve pass through?
superior orbital fissure
Which foramen or aperture does the ophthalmic nerve branch (V1) of the trigeminal nerve pass through?
superior orbital fissure
Which foramen or aperture does the maxillary nerve branch (V2) of the trigeminal nerve pass through?
foramen rotundum
Which foramen or aperture does the mandibular nerve branch (V3) of the trigeminal nerve pass through?
foramen ovale
The meningeal branch of the mandibular branch (V3) of the trigeminal nerve passes through the ____.
foramen spinosum
Which foramen or aperture does the abducent nerve pass through?
superior orbital fissure
Which foramen or aperture does the facial nerve pass through?
stylomastoid foramen
Which foramen or aperture does the vestibulocochlear nerve pass through?
internal auditory meatus
Which foramen or aperture does the glossopharyngeal nerve pass through?
jugular foramen
Which foramen or aperture does the vagus nerve pass through?
jugular foramen
Which foramen or aperture does the spinal accessory nerve pass through?
jugular foramen AND foramen magnum
Which foramen or aperture does the hypoglossal nerve pass through?
hypoglossal canal
What foramina or aperture are located within the posterior cranial fossa?
foramen magnum jugular foramen hypoglossal canal condylar canal mastoid foramen
