Neuroanatomy Draw It To Know It

11. Cranial and Spinal Nerve Overview and Skull Base 191

Cribriform

plate [1]

Optic canal

[2], (ophthalmic

artery)

Superior orbital

fissure [3, 4, 5(1), 6],

(superior ophthalmic vein)

Carotid canal

(internal carotid artery)

Foramen rotundum [5(2)]

Foramen ovale [5(3)]

Foramen spinosum

(meningeal branch of

5(3) and middle

meningeal artery)

ANTERIOR SKULL BASE - AXIAL VIEW POSTERIOR SKULL BASE - AXIAL VIEW

Hypoglossal

canal [12],

(venous plexus)

Foramen

magnum [11],

(vertebral &

spinal vessels)

Jugular foramen

[9, 10, 11],

(internal jugular vein)

Internal acoustic meatus

[7, 8], (internal

auditory artery)

[ ] - indicates cranial nerve #

DRAWING 11-7 Skull Foramina