Neuroanatomy Draw It To Know It

234 Neuroanatomy: Draw It to Know It

OCCIPUT

BROW

LPC

LHC

LAC

RPC

RHC

RAC

RAC + LAC =

RAC + RPC =

RAC + RPC + RHC =

RE LE

Stimulate Left Utricular Nerve

A

B

FIGURE 14-3 Oculomotor eff ects of semicircular canal stimulation. Used with permission from Leigh, R. J. & Zee, D. S. Th e Neurology of Eye
Movements. Oxford; New York: Oxford University Press, 2006.

Nerve from

anterior

canal Scarpa’sganglion

Vestibular nerve

Facial nerve

Auditory nerve

Internal

auditory canal

Cochlea

Spiral ganglion

Saccular

nerves

Round window

Nerve from posterior canal

Nerve from

horizontal canal

Utricular

nerve

FIGURE 14-2 Inner ear. Used with permission from Baloh, Robert W., and Vicente Honrubia. Clinical Neurophysiology of the Vestibular System, 3rd ed.
Contemporary Neurology Series 63. Oxford; New York: Oxford University Press, 2001.