Cranial Nerves Branches And Innervations

Front 1

Lacrimal n

Back 1

lacrimal gland
skin of upper eyelid (lat)
conjuctiva (lat)

Front 2

3 branches of frontal n

Back 2

supratrochlear
supraorbital
n. to frontal sinus

Front 3

supratrochlear

Back 3

forehead (lat & midd)
skin of upper eyelid (med)
conjunctiva (med)

Front 4

supraorbital

Back 4

forehead (lat)
Scalp (front)
conjunctiva (central)

Front 5

n. to fronal sinus

Back 5

mucosa of frontal sinus

Front 6

5 branches of nasocillary n

Back 6

anterior and posterior ethmoidal
infratrochlear
meningeal
long cillary
short cillary

Front 7

anterior and posterior ethmoidal

Back 7

mucosa of nasal cavity
anter ethmoidal & frontal sinus
post ethmoidal & sphenoid sinus

Front 8

internal nasal

Back 8

mucosa of nasal septum

Front 9

external nasal

Back 9

tip of nose

Front 10

infratrochlear

Back 10

upper eyelid (med.)
root of nose
lacrimal sac

Front 11

meningeal

Back 11

supratentorial part of dura

Front 12

long cillary

Back 12

sympathetic fibers of dilator pupillae

Front 13

short cillary

Back 13

parasympathetic fibers to sphincter pupillae

Front 14

NOTE: lacrimal n conveys postganglionic parasympathetic secretomotor fibers (CN VII) from pterygopaltin ganglion to lacrimal gland

Back 14

NOTE: lacrimal n conveys postganglionic parasympathetic secretomotor fibers (CN VII) from pterygopaltin ganglion to lacrimal gland

Front 15

3 branches of infraorbital n

Back 15

anterior superior alveolar
middle superior alveolar
posterior superior alveolar

Front 16

infraorbital

Back 16

skin of nose (lat)
lower eyelid
upper lip

Front 17

anterior superior alveolar

Back 17

mucosa of maxillary sinus
lat incisors, canines
nasal septum

Front 18

middle superior alveolar

Back 18

mucosa of maxillary sinus
premolars

Front 19

posterior superior alveoar

Back 19

mucosa of maxillary sinus
molars

Front 20

2 branches of zygomatic

Back 20

zygomaticofacial
zygomatioctemporal

Front 21

zygomaticofacial

Back 21

skin over cheek prominence

Front 22

zygomaticotemporal

Back 22

skin of temporal region

Front 23

greater palatine

Back 23

gingiva and mucosa of hard palate

Front 24

lesser palatine

Back 24

soft palate, uvula, tonsils

Front 25

meningeal

Back 25

dura matter

Front 26

4 primary branches of maxillary

Back 26

infraorbital
zygomatic
palatines
meningeal

Front 27

3 main branches of opthalmic

Back 27

lacrimal
frontal
nasocillary

Front 28

muscular branches of mandibular

Back 28

n. to medial pterygoid
masseteric
deep temporal
n to lateral pterygoid

Front 29

n to medial pterygoid

Back 29

motor to:
med pterygoid
tensor tympani
tensor veli paltini

Front 30

masseteric

Back 30

masseter motor

Front 31

deep temporal

Back 31

motor to:
temporalis

Front 32

n to lateral pterygoid

Back 32

motor to:
lateral pterygoid

Front 33

meningeal from V3

Back 33

sensory from:
dura in middle cranial fossa
mastoid air cells

Front 34

buccal

Back 34

sensory from:
skin of buccal
mucosa of cheek

Front 35

auriculotemporal

Back 35

sensory from:
TMJ
auricle (ant)
external acustic meatus
skin of temple and lat scalp

Front 36

3 branches of inferior alveolar n

Back 36

incisive
mental
mylohyoid

Front 37

incisive

Back 37

sensory from mandibular teeth

Front 38

mental

Back 38

sensory from:
skin of chin
skin and mucosa of lower lip
gingiva

Front 39

mylohyoid

Back 39

motor to:
mylohyoid
digastric (anterior belly)

Front 40

lingual

Back 40

sensory from:
mandibular gland
mucosa of tongue (ant 2/3)
mucosa of floor of oral cavity, gingiva

Front 41

NOTE: auriculotemporal n conveys postganglionic parasympathetic seretomotor fibers CN IX from otic ganglion to parotid gland

Back 41

NOTE: auriculotemporal n conveys postganglionic parasympathetic seretomotor fibers CN IX from otic ganglion to parotid gland

Front 42

NOTE: lingual n conveys preganglonic parsympathetic secetomotor fibers CN VII to submandibular ganglion; postganglionic fibers to submandibular gland

Back 42

NOTE: lingual n conveys preganglonic parsympathetic secetomotor fibers CN VII to submandibular ganglion; postganglionic fibers to submandibular gland

Front 43

NOTE: ligual n conveys SVA fibers (taste) to chorda tympani ->CN VII

Back 43

NOTE: ligual n conveys SVA fibers (taste) to chorda tympani ->CN VII

Front 44

NOTE: zygomaticotemporal carries postgang. parasymp. seretomotor fibers CN VII from pterygopalatine ganglion to lacrimal n

Back 44

NOTE: zygomaticotemporal carries postgang. parasymp. seretomotor fibers CN VII from pterygopalatine ganglion to lacrimal n

Front 45

NOTE: palatine nerve carries taste fibers that pass through pterygopalatine ganglia and travel a n of pterygoid canal & greater petrosal n eventually joining CVII (cell bodies of these tast fibers are located in geniculate ganglion)

Back 45

NOTE: palatine nerve carries taste fibers that pass through pterygopalatine ganglia and travel a n of pterygoid canal & greater petrosal n eventually joining CVII (cell bodies of these tast fibers are located in geniculate ganglion)

Front 46

2 VIP branches of vagus

Back 46

pharyngeal
superior laryngeal

Front 47

3 branches of superior laryngeal

Back 47

external laryngeal
internal laryngeal
recurrent laryngeal

Front 48

pharyngeal

Back 48

3 pharyngeal constrictor m
levator palati m
salpingopharyngeus m
palatopharyngeus m
paltoglossus m

Front 49

external laryngeal

Back 49

motor to cricothyroid m

Front 50

internal laryngeal m

Back 50

sensory from supraglottic region

Front 51

recurrent laryngeal

Back 51

motor to:
intrinsic muscles of larynx except cricothyroid
sensory from:
infraglottic region

Front 52

occulomotor

Back 52

superior rectus
inferior rectus
medial rectus
inferior oblique
levator palpebrae

Front 53

trochlear

Back 53

superior oblique

Front 54

5 terminal branches of facial n

Back 54

temporal
zygomatic
buccal
mandibular
cervical

Front 55

abducent

Back 55

lateral rectus

Front 56

accessory

Back 56

trapezius
sternocleidomastoid

Front 57

hypoglossal

Back 57

all intrinsic muscles of tongue
genioglossus
hyoglossus
styloglossus