Med-Source Anatomy - Cranial Nerves Pg. 1 http://med-source.blogspot.com/

medial rectus (AD) inf. rectus (↓& AD)

inf. oblique (↑& AB) dilator pupillae

nasopalatine n. zygomatic n.

CN I (olfactory)

CN II (optic)

CN III (oculomotor)

CN V (trigeminal)

CN VI (abducens)

cribiform plate

nasal cavity

optic canal

orbit

sup. orbital fissure

levator palpebrae superioris sup. rectus (↑& AD)

sphincter pupillae (constricts pupil)

ciilliary m. (accomodates)

1/6 eyeball m. sup. oblique (↓ & AB)

1/6 eyeball m. lat. rectus (AB)

ophthalmic div. (V1) skin above lacrimal gland

foramen rotundum

CN IV (trochlear)

palate, nasal cavity, maxillary face &

teeth

maxillary div. (V2)

mand. face & ant. 2/3 tongue

muscles of mastication (masseter, temporalis, medial

and lateral pterygoids)

foramen ovale

mandibular div. (V3)

lacrimal n.

frontal sinus, scalp, forehead, medial

upper eyelid

sup. div.

inf. div.

frontal n. supratrochlear n.

supraorbital n.

ethmoid & sphenoid sinuses & upper

nasal cavity nasocilliary n.

post. ethmoidal n.

long cilliary n.

infratrochlear n.

communicating n.

ant. ethmoidal n.

iris & cornea

upper medial eyelid

cilliary ganglia

orbit infraorbital n.

infraorbital foramen

sup. alveolar nn.

buccal n. lingual n. *

inf. alveolar n. mental n.

mandibular foramen

mandibular teeth & gums

chordae tympani (CN VII)

cervical sympathetics

mental foramen

petrotympanic fissure

chin skin

- autonomic - mixed

- branchial motor

- somatic

- general sensory

- motor

- special sensory

auriculotemporal n.

ethmoid and frontal sinuses, ant. cranial fossa meninges, & nose (int. & ext nasal ns.)

Med-Source Anatomy - Cranial Nerves Pg. 1 http://med-source.blogspot.com/

stylomastoid foramen

palatine taste, nasal & oral mucous gland secretion

CN VII (facial)

int. auditory meatus

foramen lacerum

chordae tympani

facial canal in temporal

bone

hiatus

greater petrosal n.

pterygoid canal

pterygopalatine ganglion

deep petrosal n. n. of pterygoid

canal

petrotympanic fissure

ant. 2/3 tongue

sublingual & submandibular

glands

lingual n. (CN V3)

submandibular ganglion

n. to stapedius

post. auricular n. skin over mastoid process, tympanic membrane &

occipital belly of occipitofrontalis m.

temporal n.

zygomatic n.

buccal n.

mandibular n.

cervical n.

muscles

of facial

expression

CN VIII (vestibulocochlear)

vestibular sensation

CN IX (glossopharyngeal) stylopharyngeus m.

- autonomic

- mixed

- motor - branchial motor - somatic

- general sensory - special sensory

hearing

vestibular n.

cochlear n.

vestibular ganglion

spiral ganglion

jugular foramen

sup. & inf. ganglia

otic ganglion

tympanic lesser petrosal n. parotid gland

foramen ovale

auriculotemporal n. (V3)

carotid a. carotid sinus n.

taste ant. 1/3 tongue lingual n.

mucous membranes post. wall of oro & nasal pharynxes

pharyngeal plexus

lacrimal gland

infraorbital fissure

Med-Source Anatomy - Cranial Nerves Pg. 1 http://med-source.blogspot.com/

CN X* (vagus)

(see pg. 2)

CN XI (spinal accessory)

CN IX (glossopharyngeal)

- autonomic - mixed

- motor - branchial motor

- somatic

- general sensory - special sensory

jugular foramen

skin of pinna ext. auditory meatus tympanic membrane

auricular n.

pharyngeal n.

palate & lower pharynx mm. (constrictors, levator veli palatini, palatoglossus,

palatopharyngeus, salpingopharyngeus, uvular )

epiglottis (taste)

laryngopharynx

sup. laryngeal n. int. laryngeal n.

ext. laryngeal n.

mucosa above vocal folds

inf. contrictor m. cricothyroid m.

cricothyroid membrane

reucrrent. laryngeal n. larynx below vocal folds

larynx mm. (NOT cricothyroid)

* carries visceral parasympathetics

SCM & trapezius

foramen magnum

CN XII (hypoglossal)

3 of 4 tongue m.: genioglossus, styloglossus & hypoglossus (NOT pataltoglossus, CN X)

hypoglossal canal