FORAMEN/CRANIAL FLOOR OPENINGS

Question 1

What passes through the CRIBIFORM PLATE? What Fossa?

Answer 1

olfactory nerves; anterior cranial fossa

Question 2

What passes through the OPTIC CANAL? What Fossa?

Answer 2

optic nerve, ophthalmic artery, central artery of the retina; MIDDLE CRANIAL FOSSA

Question 3

What passes through the SUPERIOR ORBITAL FISSURE? What Fossa?

Answer 3

ophthalmic branch of the trigeminal, extraocular motor nerves, ophthalamic veins; MIDDLE CRANIAL FOSSA

Question 4

What passes through the FORAMEN ROTUNDUM? What Fossa?

Answer 4

maxillary nerve; MIDDLE CRANIAL FOSSA

Question 5

What passes through the FORAMEN OVALE? What Fossa?

Answer 5

mandibular nerve; MIDDLE CRANIAL FOSSA

Question 6

What passes through the FORAMEN SPINOSUM? What Fossa?

Answer 6

middle meningeal artery (branch of the maxillary artery); MIDDLE CRANIAL FOSSA

Question 7

What passes through the INTERNAL AUDITORY MEATUS? What Fossa?

Answer 7

auditory nerve, and vestibulocochlear nerve, labyrinthine artery; POSTERIOR CRANIAL FOSSA

Question 8

What passes through the JUGULAR FORAMEN? What Fossa?

Answer 8

cranial nerves 9,10,11, IJV; POSTERIOR CRANIAL FOSSA

Question 9

What passes through the HYPOGLOSSAL CANAL? What Fossa?

Answer 9

hypoglossal nerve, and meningeal artery;POSTERIOR CRANIAL FOSSA

Question 10

What passes through the FORAMEN MAGNUM? What Fossa?

Answer 10

SC, Spinal accessory nerves, vertebral arteries, A/P spinal artery; POSTERIOR CRANIAL FOSSA