Foramen of skull

Foramen of skull

Cranial nerve

Vessels

Cribriform plate

1

-

Optic canal

2

Ophthalmic artery

Superior orbital
fissure (SOF)

3

4

5a (Ophthalmic)

6

• Lacrimal artery

• Recurrent meningeal branch

of lacrimal artery

Foramen rotundum

5b (Maxillary)

-

Foramen ovale

5c (Mandibular)

Accessory meningeal artery

Foramen spinosum

Middle meningeal artery
(MMA)

Internal acoustic
meatus (IAM)

7

8

Internal auditory (labyrinthine)
vessels

Jugular foramen

Mnemonic: 9 = P

• 9 (Pars nervosa)

• 10, 11 (Pars vascularis)

-

Hypoglossal canal

12

-