hole chart

Question 1

Olfactory foramina of the cribiform plate

Answer 1

olfactory nerve 1

Question 2

Optic Canal

Answer 2

Optic nerve 2

Question 3

Superior Orbital fissure

Answer 3

Occulomoter nerve 3, trochlear nerve 4, ophthalmic division 5(1) of trigeminal nerve 5 and abducens nerve 6

Question 4

foramen rotundum

Answer 4

Maxillary division 5(2) of trigeminal nerve 5

Question 5

foramen ovale

Answer 5

Mandibular division 5(3) of trigeminal nerve 5

Question 6

foramen lacerum

Answer 6

no structure passes through because it is covered by a membrane in adults

Question 7

foramen spinosum

Answer 7

middle meningeal artery

Question 8

carotid canal

Answer 8

internal carotid artery

Question 9

internal acoustic meatus

Answer 9

facial nerve 7, vestibulocochlear nerve 8

Question 10

Jugular foramen

Answer 10

Internal jugular vein, glossopharyngeal nerve 9, vagus nerve 10, spinal accessory nerve 11

Question 11

hypoglossal canal

Answer 11

hypoglossal nerve 12

Question 12

supraorbital foramen

Answer 12

supraorbital artery and nerve

Question 13

inferior orbital fissure

Answer 13

maxillary division 5(2) of the trigeminal nerve 5, zygomatic nerve and blood vessels

Question 14

infraorbital foramen

Answer 14

infraorbital nerve (a branch of 5(2)

Question 15

mental foramen

Answer 15

blood vessels and branches of trigeminal nerve 5, mandibular division 5(3)

Question 16

foramen magnum

Answer 16

spinal cord

Question 17

sylomastoid foramen

Answer 17

facial nerve 7

Question 18

mandibular foramen

Answer 18

alveolar nerve

Question 19

transverse foramen of cervical vertebrate

Answer 19

vertebral arteries

Question 20

costal groove

Answer 20

neurovascular bundle