Cranial Fossa Flashcards
3 cranial meninges
dura mater
arachnoid space
pia mater
2 layers of dura mater
endosteal layer
meningeal layer
contains CSF
subarchnoid space
separates the 2 cerebral hemispheres
falx cerebri
attachment of falx cerebri
crista galli
separates cerebral hemispheres from cerebellum
tentorum cerebelli
helps move CSF to the bloodstream
superior sagittal sinus
bacteria from scalp can spread to superior sagittal sinus through what
emissary vein
bacteria from face can spread to what sinus through what vein
vein: superior ophthalmic v
sinus: cavernous sinus
sensory to meninges of anterior cranial fossa
CN V1
sensory to meninges of middle cranial fossa
CN V2 and CN V3
sensory to meninges of posterior cranial fossa
CN IX, CN X, and C1-C3
2 main parts of ethmoid bone
crista galli
cribriform plate
nerves that pass through superior orbital fissure
CN III, CN IV, CN V, CN VI
what 3 things can happen from cribriform plate fracture
anosmia
CSF rhinorrhea
sinusitis