- Cranial Nerves 5, 7, 9, 10 223
DRAWING 13-5 Cranial Nerve 7: Anatomy — Partial
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
Nerve
to stapedius
Pons
Medulla
Cervical
spinal
cord
Internal
genu
(Meatal
segment)
(Horizontal
segment)
(Labyrinthine
segment)
(Mastoid
segment)