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Flashcards in skull foramina Deck (16)
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1
Q

what structures lie in the clivus?

A

the pons and basilla artery

2
Q

what houses the pituitary gland?

A

hypothesy fossa

3
Q

what are the two parts of the temporal bone?

A

squamous which is flat

and petrous bone which contains the inner ear and cochlear

4
Q

what is the boundaries of the middle cranial fossae?

A

the less wing of sphenoid bone and petrous part of the temporal bone

5
Q

what seperates the middle and posterior cranial fossae?

A

is the petrous part of the temporal bone

6
Q

what seperats the anterior and middle cranial fossae?

A

less wing of the sphenoid bone

7
Q

where is the confluence of sinuses located on a skull?

A

located on the internal occipital tuberance

8
Q

what structures run through the optic canal?

A

the optic nerve and opthalmic artery that supplies the eye

9
Q

what structures go through the superior orbital fissure?

A

the occulomotor
trochlear
abducens
v1 of trigeminal –> opthalmic

10
Q

what structures go through the foramen ovale?

A

the mandibular division and lesser petrous nerve

11
Q

what is the foramen lacerium

A

doesn’t do a great deal –> when wet contains cartiladge –> the interal carotid artery runs over superiorly over to form the circle of willis

12
Q

what foramen does the middle meningeal artery and vein pass?

A

foramen spinosum

13
Q

what runs through the internal accoustic meatus?

A

facial and vestibulococlear nerve

14
Q

what runs through the jugular foramen

A

accessory
glossopharyngeal
vagus
internal jugular vein

15
Q

what goes through the foramen magnum?

A

verterbal artery
medulla
spinal root of the accessory nerve
dura to follow the CNS down

16
Q

what formaen allows the facial nerve to leave the skull?

A

the stylomastoid foramen