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CN I
Olfactory Nerve (sensory)
Special Sensations
- smell (sensory)
- Telencephalon
-
CN II
Optic Nerve (sensory)
Special Sensations
- vision (sensory)
- Diencephalon
-
CN III
Oculomotor Nerve (motor)
Motor to Skeletal Muscle
- Mesencephalon (Midbrain)
- Extraocular eye muscles (motor)
- oculomotor nucleus
-
CN III
Oculomotor Nerve (Motor)
PSNS to eye
Motor to smooth muscle
- Mesencephalon (Midbrain)
- PSNS to eye (motor)
- Edinger-Westphal Nucleus
-
CN IV
Trochlear
Motor to skeletal muscle
- Mesencephalon (Midbrain)
- Extraocular muscle (superior oblique) (motor)
- Trochlear Nucleus
-
CN V
Trigeminal Nerve (motor & sensory)
motor to skeletal muscle
- Metencephalon (Pons, Upper Medulla, Cerebellum)
- Masticatory muscle
- Trigeminal motor nucleus
-
CN V
Trigeminal Nerve (motor & sensory)
general sensation
- Metencephalon (pons, upper medualla, cerebellum)
- general sensation of the head & face
- trigeminal complex
-
CN VI
Abducens Nerve (motor)
Motor to skeletal muscle
- Metencephalon (pons, upper medulla, cerebellum)
- Extraocular muscle (lateral rectus)
- Abducens nucleus (abducts eyes)
-
CN VII
Facial Nerve (motor & sensory)
motor to skeletal muscle
- Metencephalon (pons, upper medulla, cerebellum)
- Facial Expression Muscle
- Facial Motor Nucleus
-
CN VII
Facial Nerve (motor & sensory)
motor to smooth muscle
- Metencephalon (pons, upper medulla, cerebellum)
- glands (submandibular, sublingual, lacrimal)
- superior salivatory & lacrimal nucleus
-
CN VII
Facial Nerve (motor & sensory)
special sensation
- Metencephalon (pons, upper medulla, cerebellum)
- taste (anterior 2/3 of tongue)
- rostral solitary nucleus
-
CN VII
Facial Nerve (motor & sensory)
general sensation
- Metencephalon (pons, upper medulla, cerebellum)
- general sensation of ear (external portion of the ear)
- trigeminal complex
-
CN VIII
Vestibulocochlear Nerve
special sensation
- Metencephalon (pons, upper medulla, cerebellum)
- hearing
- dorsal & ventral cochlear nuclei
-
CN VIII
Vestibulocochlear Nerve (sensory)
special sensation
- Metencephalon (pons, upper medulla, cerebellum)
- balance
- vestibular nuclei
-
CN IX
Glossopharyngeal Nerve (motor & sensory)
motor to skeletal muscle
- Mylencephalon (lower medulla)
- stylopharyngeus muscle
- nucleus ambiguus
-
CN IX
Glossopharyngeal Nerve (motor & sensory)
motor to smooth muscle
- Mylencephalon (lower medulla)
- PSNS to parotid gland
- inferior salivatory nucleus
-
CN IX
Glossopharyngeal Nerve (motor & sensory)
special sensation
- Mylencephalon (lower medulla)
- taste (posterior 1/3 of tongue)
- rostral solitary nucleus
-
CN IX
Glossopharyngeal Nerve (motor & sensory)
GVA (sensory from viscera)
- Mylencephalon (lower medulla)
- carotid body sensation
- caudal solitary nucleus
-
CN IX
Glossopharyngeal Nerve (motor & sensory)
general sensation
- Mylencephalon (lower medulla)
- general sensation from ear & tongue
- trigeminal complex
-
CN X
Vagus Nerve (motor & sensory)
motor to skeletal muscle
- Mylencephalon (lower medulla)
- muscle of larynx & pharynx
- nucleus ambiguus
-
CN X
Vagus Nerve (motor & sensory)
motor to smooth muscle
- Mylencephalon (lower medulla)
- PSNS to thorax & upper abdomen
- dorsal motor nucleus of Vagus (DMV)
-
CN X
Vagus Nerve (motor & sensory)
GVA
- Mylencephalon (lower medulla)
- sensory from viscera
- caudal solitary nucleus
-
CN X
Vagus Nerve (motor & sensory)
general sensations
- Mylencephalon (lower medulla)
- general sensations from ear
- trigeminal complex
-
CN X
Vagus Nerve (motor & sensory)
special sensation
- Mylencephalon (lower medulla)
- taste
- rostral solitary nucleus
-
CN XI
Accessory Nerve
Motor to skeletal muscle
- Mylecephalon (lower medulla)
- innervates trapezius & Sternocleidomastoid
- motor to nucleus of XI
-
CN XII
Hypoglossal Nerve
Motor to skeletal muscle
- Mylencephalon (lower medulla)
- tongue muscles
- hypoglossal nucleus
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