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Cranial Nerves

Sense of smell

Reflex salivation

Increases Gastric Motility

II Optic Optic Canal Retinal Ganglion SSA Retina primary sight reception

Motor Extra-ocular muscles of the eye

Rotates Globe

Intra-ocular muscles (focus near / far)

Narrows the pupil (via ciliary ganglion)

Motor Superior Oblique (extra-ocular eye m.)

Trochlear pulley

Portion of Scalp

Face

Cornea

Epithelium of the nasal cavity

Paranasal Sinuses / Oral Cavity

Skin of the Outer Ear

Cranial Dura Mater

Proprioreception to ALL skeletal muscles of the head.

Branchiometric Skeletal Muscles (1stArch)

Muscles of Mastication

Mylohyoid

Digastric muscle (anterior belly)

Tensor Veli Palatini muscle

Tensor Tympani muscle

Motor: Lateral Rectus (extra-ocular eye m.)

Abducts eye turns eye laterally.

Branchiomeric Skeletal m. (Arch 2)

Facial Expression:

Stylohyoid

Digastric Muscle (posterior belly)

Stapedius

GSA Sensory External Ear

SVA Taste Anterior 2/3 of Tongue (Chorda Tympani)

GVA Pharynx (Uppermost Portion)

via Greater Petrosal Nerve & Pterygopalatine Ganglion

Lacrimal Gland

Nasal Mucous Glands

Platal Mucous Glands

Oral Mucous Glands

Pharyngeal Mucous Glands

via Chorda Tympani & Submandibular GanglionSublingual Salivary Glands

Submandibular Salivary Glands

Sense of Hearing(organ of Corti)

Sense of Equilibrium

Semicircular Canals

Utricle

Macula of Internal ear

SSE Motor modifies auditory input

V1: Superior

Orbital

Fissure

V2: Foramen

Rotundum

Pons (Superior

Salivary Nucleus)

Cribiform

Plate

Superior

Orbital

Fissure

Sup. Orbital

Fissure

V3: Foramen

Ovale

Sup. Orbital

Fissure

Internal

Auditory

Canal

Internal

Auditory

CanalVIII Auditory

SSA

Vestibular Ganglion

Spiral Ganglion

Facial

SVE

GVE-P

Geniculate

Ganglion

Pons (Motor

Nucleus CNVII)

VI Abducens GSEPons (Motor

Nucleus CNVI)

VII

GSE

GVE-P

Midbrain

V

GSA

SVE

GVE-P nerve fibers ofCN VII & IX course

along CN V. to

innervate glands of

head mucous &

salivary

TrigeminalTrigeminal Ganglion

Pons (Motor

Nucleus CNV)

Midbrain (E-W

Nucleus)

III Oculomotor

IV Trochlear

GSE

Nasal MucosaI Olfactory SVA

Midbrain (CNIII

Nucleus)

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Cranial Nerves

Branchiometric Skeletal Muscles (Arch 3)

Stylopharyngeus

Sup. Ganglion GSA Skin of External Ear

SVA Taste Posterior 1/3 of Tongue

Epithelium of Endodermal Origin:

Pharynx (base of skull to esophagus)

Middle ear

Internal Surface of Tympanic Membrane

Posterior 1/3 of Tongue

Parotid gland

Carotid Sinus

Lesser Petrosal Nerve + Otic Ganglion

Parotid Salivary Gland

Branchiometric Skeletal Muscles (Arch 4 & 6)

Pharynx Muscles

Superior / Middle / Inferior Constrictor m.

Levator Veli Palatini

Salpingopharyngeus

PalatoglossusPalatopharyngeus

Larynx Muscles

Posterior / Lateral Cricoarytenoid

Transverse / Oblique Artyenoid

Thyroartyenoid

Cricothyroid

Esophagus(Upper Portion)

Skin of the External Ear

External Auditory Meatus

Tympanic Membrane (External Surface)

Dura Mater of Posterior Cranial Fossa

SVA Taste - Lingual Surface of Epiglottis

Epithelium of Endodermal Origin

Root of Tongue

Larynx

Lining of Respiratory System

Heart

Entire Gut Tube (to distal 1/3 of Transv. Colon)

Capsule of other visceral organs (liver, kidney, Spleen)

Gonads

Smooth Muscle

Gut Tube

Respiratory System

Cardiac Muscle

Motor: Sternocleidomastoid Muscle

Motor: Trapezius Muscle

Motor: Tongue

Styloglossus

Genioglossus

Hyoglossus

Intrinsic Muscles

XI Accessory S

GSA

GVA

X Vagus

SVE

GVE-P

Jugular

Foramen

XII Hypoglossal GSE

GVA

GVE-P

GlossopharyngealJugular

Foramen

Medulla (Nuc.

Ambiguous)

Inferior Ganglion

Medulla (Inf.

Salivary Nuc.)

Jugular

Foramen

IX

Medulla (Nucleus

Ambiguous)

Superior

Ganglion

Inferior Ganglion

Hypoglossal

Canal

Medulla (Dorsal

Nucleus)

Cervical Spinal

Cord

Medulla (Nucleus

CNXII)

SVE

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Cranial Nerves

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