Page 42 - Edited - Webster HEAD AND NECK - part 2-Merge PDF

THE FACIAL NERVE & THE ORAL TONGUE
HN 240
INTERNAL IN
AUDITORY MEATUS PETROUS TRGEMINAL GANGLION
FACIAL TEMPORAL (sensory, arsynaptic,
CANAL BONE V1 touch, pain, temperature)

V2
MIDDLE
V3

sensory
FACINC EAR
NERVE CAVITY LINGUAL NERVE - to oral tongue
(N VII) & remaining oral floor.
STYLOMASTOID
FORAMEN
SECRETO MOTOR TO
FACIAL NERVE: SUBMANDIBULAR & SUB -
Skeletomater to muscles LINGUAL SALIVARY, GLANDS,
of facial expressions + GLANDS OF ORAL TONGUE,
buccinatorm. CHORDA
TYMPANI joine ORAL FLOOR & LUNGE LIP.
lingual n. in infra-temporal fossa! SUBMANDIBULAC
A. SECRETOMОТОR GANGLION
PARASYMPATHETIC

GENICULATE GANGLION
of facial nerve: ASYNAPTIC, TRIGEMINAL GANGLION - ASYNAPTIC, SENSORY
SENSORY
V1
FACIAL
NERVE MIDDLE V2

V3

EAR CAVITY
LINGUAL NERVE TOUCH, PAIN, TEMPERATURE
STYLOMASTOID FROM ORAL TONGUE,
FORAMEN REMAINING ORAL FLOOR
& GINGIVA.
PETROTYMPANIC
FISSURE: IMMEDIATEY K.E.W.
BEHIND TYMPANIC BONE TASTE FROM
ORAL TOUCH
CHORDA EXCLUDING (CIRCUM-)
TYMPANI in infra- VALLATE PAPILLIE.
temporal forsa.

B. SENSORY Notice that the facial nerve provides the parasympathetic sensoy
(i.e. visceral parasympathetic & ⸫ NORMAL sensation from the taste buds of the oral
tongue. These of as are sensory & ⸫ have their cell bodies in an ASYNAPTIC ganglia -
The gariculate ganglion. See also

K.E.W.