Neuroanatomy Draw It To Know It

13. Cranial Nerves 5, 7, 9, 10 225

DRAWING 13-6 Cranial Nerve 7: Anatomy — Complete

Internal

acoustic

meatus

CISTERNAL

SEGMENT

Facial

nucleus,

SVE

Abducen’s

nucleus

Superior

salivatory

nucleus, GVE

Pterygopalatine

ganglion, GVE

Tongue:

anterior two-

thirds, SVA

Submandibular

ganglion, GVE

Chorda

tympani

Geniculate

ganglion

Spinal

trigeminal

nucleus,

pars

caudalis,

GSA

Solitary

tract

nucleus,

SVA

Stylomastoid

foramen

Greater

petrosal nerve

Motor

root

Nervus

intermedius

INTRATEMPORAL

SEGMENT

INTRA-AXIAL

SEGMENT

EXTRACRANIAL

SEGMENT

Muscles of facial

expression, SVE

External ear, GSA

Vestibulocochlear

nerve

Nerve

to stapedius

Lingual

nerve

Pons

Medulla

Cervical

spinal

cord

Internal

genu

(Meatal

segment)

(Horizontal

segment)

(Labyrinthine

segment)

(Mastoid

segment)

Deep petrosal

nerve

Nerve of the

pterygoid canal