Neuroanatomy Draw It To Know It

11. Cranial and Spinal Nerve Overview and Skull Base 177

Inner and outer

laminae of compact

bone

Foramen cecum

Crista galli

Anterior cranial fossa

Sphenoid bone

Sella turcica

Superior orbital fissure

Anterior clinoid process

Posterior clinoid process

Foramen ovale

Clivus

Foramen magnum

Foramen spinosum

Foramen lacerum

Internal occipital

crest

Internal occipital

protuberance

Posterior cranial fossa

Hypoglossal canal

Jugular foramen

Internal acoustic meatus

Middle cranial fossa

Foramen rotundum

Optic canal

Orbital plate of

frontal bone

Groove made by

meningeal artery

Cribriform plate

(ethmoid bone)

Frontal crest

Diploe

FIGURE 11-2 Th e skull base. Used with permission from Bruni, J. E. & Montemurro, D. G. Human Neuroanatomy: A Text, Brain Atlas, and Laboratory
Dissection Guide. New York: Oxford University Press, 2009.