Neuroanatomy Draw It To Know It

11. Cranial and Spinal Nerve Overview and Skull Base 193

Ophthalmic

branch

Anterior

clinoid

Optic process

canal

Foramen

ovale

Foramen

rotundum

Superior

orbital fissure

[5(3)]

[5(2)]

[5(1)]

CAVERNOUS

SINUS

Ophthalmic

Internal

carotid artery

Cervical

Petrous

[4]

[3]

[6]

Cavernous

Sphenoid

sinus

Temporal

lobe CAVERNOUS

SINUS

Internal

carotid

art.

Pituitary

body

Sella turcica

of sphenoid bone

Base of the brain

Optic nerves

(Air)

Internal carotid art.

(double-back)

(Venous)

[6]

[3]

[4]

[5(1)]

[5(2)]

[2]

[ ] - indicates cranial nerve #

CAVERNOUS SINUS - CORONAL VIEW

CAVERNOUS SINUS - OBLIQUE VIEW

Anterior

Posterior

Lateral

Medial

Superior

Inferior

Lateral Medial

Superior

Inferior

Lacerum

Clinoid

Communicating

(Suprasellar

cistern)

(Carotid space)

(Carotid canal)

Meckel’s

cave

DRAWING 11-8 Cavernous Sinus