skull foramina Flashcards
what structures lie in the clivus?
the pons and basilla artery
what houses the pituitary gland?
hypothesy fossa
what are the two parts of the temporal bone?
squamous which is flat
and petrous bone which contains the inner ear and cochlear
what is the boundaries of the middle cranial fossae?
the less wing of sphenoid bone and petrous part of the temporal bone
what seperates the middle and posterior cranial fossae?
is the petrous part of the temporal bone
what seperats the anterior and middle cranial fossae?
less wing of the sphenoid bone
where is the confluence of sinuses located on a skull?
located on the internal occipital tuberance
what structures run through the optic canal?
the optic nerve and opthalmic artery that supplies the eye
what structures go through the superior orbital fissure?
the occulomotor
trochlear
abducens
v1 of trigeminal –> opthalmic
what structures go through the foramen ovale?
the mandibular division and lesser petrous nerve
what is the foramen lacerium
doesn’t do a great deal –> when wet contains cartiladge –> the interal carotid artery runs over superiorly over to form the circle of willis
what foramen does the middle meningeal artery and vein pass?
foramen spinosum
what runs through the internal accoustic meatus?
facial and vestibulococlear nerve
what runs through the jugular foramen
accessory
glossopharyngeal
vagus
internal jugular vein
what goes through the foramen magnum?
verterbal artery
medulla
spinal root of the accessory nerve
dura to follow the CNS down
