Foramina of Skull

Question 1

Foramina of cribiform plate

Answer 1

Anterior cranial fossa, midline

Foramina of olfactory nerve

Question 2

Optic foramen

Answer 2

Middle cranial fossa

Optic nerve, ophthalmic artery

Question 3

Superior orbital fissure

Answer 3

Middle cranial fossa

Ophthalmic veins, ophthalmic nerve and Cr.N. I, III, IV, VI, V(1)

Question 4

Foramen rotundum

Answer 4

Middle cranial fossa

Maxillary nerve

Question 5

Foramen ovale

Answer 5

Middle cranial fossa

Mandibular nerve, accessory meningeal artery

Question 6

Foramen spinosum

Answer 6

Middle cranial fossa

Middle meningeal artery, middle meningeal vein, meningeal branch of mandibular nerve

Question 7

Foramen lacerum

Answer 7

Middle cranial fossa

Greater and deep petrosal nerves, meningeal branch of asc. pharyngeal artery

Question 8

Carotid canal

Answer 8

Middle cranial fossa

Internal carotid artery

Question 9

Internal acoustic foramen

Answer 9

Posterior cranial fossa

Cr. N. VII, VIII, labyrinthine artery

Question 10

Jugular foramen

Answer 10

Posterior cranial fossa

Cr. N. IX, X, XI and internal jugular vein

Question 11

Hypoglossal foramen

Answer 11

Posterior cranial fossa

Hypoglossal nerve

Question 12

Foramen magnum

Answer 12

Posterior cranial fossa

Spinal cord, vertebral arteries, spinal part of accessory nerve