Cranial Nerves

Front 1

Cranial Nerve Nuclei of the Midbrain

Back 1

Oculomotor - III

Edinger-Westphal - III

Trochlear - IV

Front 2

Cranial Nerve Nuclei of the Pons

Back 2

Abducens - VI

Facial - VII

Main Sensory of V - V

Motor Nucleus of V - V

--Pons/Medulla--

Vestibular - VIII

Cochlear - VIII

(Mneumonic hint: Pons, A family Treasure, I hear)

Front 3

Cranial Nerves NOT associated with brainstem nuclei

Back 3

CN I, II, XI

Front 4

Cranial Nerve Nuclei of the Medulla

Back 4

Superior Salivatory - VII

Solitary (incl. Gustatory) - VIII, IX, X

Ambiguus - IX, X

Dorsal Motor of X - IX, X

Hypoglossal - XII

-- Pons/Medulla --

Vestibular - VIII

Cochlear - VIII

(slippery snakes abandon dark holes)

Front 5

CN VII - Facial Afferent

Functions

Back 5

SVA - Taste ant. 2/3 of tongue

GVA - middle ear, nasal cavity, soft palate

GSA - Skin behind ear, ext. auditory meatus

Front 6

CN VII - Facial afferent

Cell bodies

Back 6

SVA, GVA

1* - genticulate ganglion

2* - superior solitary nuc.

3* - thalamus

GSA

1* - genticulate ganglion

2* - trigeminal nuc.

3* - thalamus

Term for all: Cerebral cortex

Front 7

CN IX - efferent

Function

Back 7

SVE - stylopharyngeus (for swallowing)

GVE - parasympathetic to parotid gland

Front 8

CN IX - efferent

Cell bodies

Back 8

SVE

- ambiguus nuc.

GVE

Pre-g: inf. salivatory nuc.

Post-g: otic gang.

Front 9

CN IX afferent

Functions

Back 9

SVA - Taste post. 1/3 tongue

GVA - Post. 1/3 of tongue, interoceptors of carotid sinus and carotid body

GSA - external ear

Front 10

CN IX - afferent

Cell bodies

Back 10

SVA, GVA

1* inf. ganglia

2* solitary nuc.

3* thalamus

GSA

1* sup. ganglia

2* Sensory nuc. of V

3* thalamus

All term: cerebral cortex

Front 11

CN X - efferent

Functions

Back 11

SVE - Muscles of pharynx & larynx

GVE - parasymp. to smooth muscles and glands of pharynx, larynx; thoracic & abdominal viscera

Front 12

CN X - efferent

Cell bodies

Back 12

SVE

Nucleus ambiguus

GVE

Pre-g: dorsal vagal nuc.

Post-g: ganglia in neck, thoracic, & abdominal viscera

Front 13

CN X - afferent

Functions

Back 13

GVA - interoceptors, stretch receptors, & chemoreceptors for viscera

SVA - Taste to epiglottis

GSA - skin of earlobe, external auditory meatus

Front 14

CN X - afferent

Cell bodies

Back 14

GVA, SVA

1* - inf. vagal gang.

2* - inf. solitary nuc.

3* - thalamus

GSA

1* - sup. vagal gang.

2* spinal trigeminal nuc.

3* thalamus

Terminal: cerebral cortex

Front 15

CN III - Oculomotor

Function

Back 15

GSE - extrinsic eye muscles

GVE - parasymp. to sphinctor pupillae ciliary muscles

Front 16

CN III - Oculomotor

Cell bodies

Back 16

GSE

- oculomotor nucleus

GVE

- Edinger-Westphal nuc. (aka accessory oculomotor nuc.)

- ciliary gang.

Front 17

CN IV - Trochlear

Function & Cell body

Back 17

GSE - sup. oblique m.

cell body: trochlear nucleus

Front 18

CN VI - Abducens

Function & Cell bodies

Back 18

GSE - lateral rectus

Cell body - abducens nucleus

Front 19

CN XI - Spinal Portion

Function & Cell bodies

Back 19

GSE - SCM & Trapezius

Cell bodies: ventral gray horn C1-6

Front 20

CN XI - Cranial Portion

Function & Cell Bodies

Back 20

SVE - muscles of larynx

Cell bodies: nucleus ambiguus

Front 21

CN XII - Hypoglossal

Function & Cell bodies

Back 21

GSE - muscles of tongue

Cell bodies: hypoglossal nucleus

Front 22

CN V - Trigeminal

Cell bodies

Back 22

GSE - muscles of tongue

Cell bodies - hypoglossal nucleus

Front 23

CN V - Trigeminal

Cell bodies

Back 23

SVE

-motor nucleus of V

GSA

1* trigeminal ganglion

2* trigeminal sensory nucleus

3* thalamus

Term: post-central gyrus

Front 24

CN V- Trigeminal

Functions

Back 24

SVE (V3) - chewing muscles, tensor tympani

GSA (V1, V2, V3) - ant. 2/3 tongue, face, scalp, nasal cavity, tymp. membrane

Front 25

CN VII - efferent

Function

Back 25

GVE - parasymp to lacrimal, submandibular, & sublingual glands

SVE - muscles of facial exp., platysma, stapedius

Front 26

CN VII - efferent

Cell bodies

Back 26

GVE

Pre-g: sup. salivatory nuc; Lacrimal nuc.

Post-g: pterygopalatine ganglia, submandibular gang.

SVE

facial nucleus

Front 27

Sensory Cranial Nerves

Back 27

I, II, VIII

Front 28

Motor Cranial Nerves

Back 28

III, IV, VI, XI, XII

Front 29

Mixes Cranial Nerves

Back 29

V, VII, IX, X

Front 30

CN I - Olfactory

Function & Cell bodies

Back 30

SVA- Smell

Cell bodies:

1* - olfactory epithelium

2* - olfactory bulb

Term: hippocampal gyrus, insula, amygdaloid

Front 31

CN II - Optic

Function & Cell bodies

Back 31

SSA - Vision

Cell bodies:

1* - bipolar neuron in retina

2* - ganglion cell in retina

3* - lat. genticulate nucleus of the thalamus

Term: visual cortex (BA 17, 18, 19)

Front 32

CN VIII - Cochlear component

Function and Cell boies

Back 32

SSA - hearing

Cel bodies:

1* - bipolar neuron in cochlea

2* - cochlear nuclei in pons/medulla

3* - medial genticulate nuc. of the thalamus

Term: Auditory cortex (BA 41, 42)

Front 33

CN VIII - Vestibular component

Function and Cell Bodies

Back 33

SSA - vestibular

Cell bodies:

1* - bipolar neuron in canals, saccule, & utricle

2* - vestibular nuclei in pons & medulla

3* - VPL, VPI nuclei in thalamus

Term: vestibular cortex (BA 3a)

Front 34

SVA Cranial Nerves

Back 34

I, VII, IX, X

Front 35

GVA Cranial Nerves

Back 35

VII, IX, X

Front 36

SSA Cranial Nerves

Back 36

II, VIII

Front 37

GSA Cranial Nerves

Back 37

V, VII, IX, X

Front 38

GVE Cranial Nerves

Back 38

III, VII, IX, X

Front 39

GSE Cranial Nerves

Back 39

III, IV, VI, XII

Front 40

SVE Cranial Nerves

Back 40

V, VII, IX, X

*includes skeletal muscles derived from branchial arches