Cranial Nerves For Busm Head And Neck

Front 1

CN I

Back 1

Olfactory

Front 2

CN II

Back 2

Optic

Front 3

CN III

Back 3

Occulomotor

Front 4

CNIV

Back 4

Trochlear

Front 5

CNV

Back 5

Trigeminal

Front 6

CNVI

Back 6

Abducens

Front 7

CNVII

Back 7

Facial

Front 8

CNVIII

Back 8

Vestibulocochlear

Front 9

CNIX

Back 9

Glossopharyngeal

Front 10

CNX

Back 10

Vagus

Front 11

CNXI

Back 11

Accessory

Front 12

CNXII

Back 12

Hypoglossal

Front 13

Fiber type and Function(s) of:

CN I

Back 13

SA

Smell

Front 14

Fiber type and Function(s) of:

CN II

Back 14

SA

Optic

Front 15

Fiber type and Function(s) of:

CNIII

Back 15

GSE: Motor to four muscles that move eye

GVE: Parasymp. Fibers that synapse in ciliary ganglion: accommodation (focusing), constriction of pupil

Front 16

Fiber type and Function(s) of:

CNIV

Back 16

GSE: Motor to superior oblique muscle (eye movement)

Front 17

Fiber type and Function(s) of:

CN V

Back 17

GSA: Sensory from face (V1: superior face; V2: middle face; V3: inferior face)

SVE: Motor to muscles derived from Arch 1 (via V3)

Front 18

Fiber type and Function(s) of:

CN VI

Back 18

GSE: Motor to lateral rectus muscle (eye movement)

Front 19

Fiber types of

CN VII

Back 19

GSA
SVE
GVE
SA
GVA

Front 20

GSA functions in CN VII

Back 20

GSA: Sensation from a small patch of skin behind the ear, in the floor of the external auditory meatus, and on the outer surface of the eardrum.

Front 21

SVE functions in CN VII

Back 21

SVE: Muscles derived from Arch 2 (muscular branch)

Front 22

GVE functions in CN VII

Back 22

GVE: Parasympathetic fibers that synapse in the pterygopalatine and submandibular ganglia (greater petrosal and chorda tympani branches); Supply lacrimal, submandibuluar and sublingual glands and mucosa of nasal cavity, paranasal sinuses and mouth

Front 23

SA and GVA functions in CN VII

Back 23

SA: Taste from palate and anterior 2/3 of tongue (chorda tympani branch)
GVA: Reflex afferents from glands

Front 24

Fiber type and Function(s) of:

CN VIII

Back 24

SA: Hearing and Balance

Front 25

Fiber type s of:

CN IX

Back 25

GSA
SVE
GVE
SA
GVA

Front 26

GSA function of CN IX

Back 26

GSA: Sensation from roughly the same area of skin supplied by the Facial nerve; Poorly localized general sensation (pain, temperature, touch and pressure) from the posterior part of the tongue, pharynx, auditory tube, middle ear cavity, and inner surface of the eardrum

Front 27

SVE function of CN IX

Back 27

SVE: Motor to stylopharyngeus muscle.

Front 28

GVE function of CN IX

Back 28

GVE: Parasympathetic fibers synapse at otic ganglion; to parotid gland

Front 29

SA function of CN IX

Back 29

SA: Taste from posterior tongue and vallate papillae.

Front 30

GVA function of CN IX

Back 30

GVA: Baro- and chemoreception from the carotid body and sinus

Front 31

Fiber type s of:

CN X

Back 31

GSA
GVA
GVE
SA
SVE

Front 32

GSA function of CN X

Back 32

GSA: Sensation from the same small area of skin also supplied by the Facial and Glossopharyngeal nerves; Proprioception from muscle spindles in the larynx; Poorly localized general sensation (pain, temperature, touch, and pressure) in the lining of the larynx and upper esophagus.

Front 33

GVA function of CN X

Back 33

GVA: Interoceptive information and the afferent limb of visceral reflexes

Front 34

GVE function of CN X

Back 34

GVE: Parasympathetic nerves synapse at the viscera (glands of the epiglottic region and cervical, thoracic, and abdominal viscera).

Front 35

SA function of CN X

Back 35

SA: Taste from taste buds at base of the tongue, around the epiglottis, and in the upper larynx

Front 36

SVE function of CN X

Back 36

SVE: Motor innervation to striated muscles of the palate, larynx, pharynx, and upper esophagus, which arise from the fourth and sixth branchial arches.

Front 37

Fiber type and Function(s) of:

CN XI

Back 37

SVE: Motor to trapezius & sternocleidomastoid muscles

Front 38

Fiber type and Function(s) of:

CN XII

Back 38

GSE: Motor to muscles of tongue