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Major Components of Cranial Nerves
Type of fiber and function
11
Psychology
Graduate
09/11/2017

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Cards

Term
Olfactory
Definition
Sensory: Special sensory - smell
Term
Optic
Definition
Sensory: Special sensory - vision
Term
Oculumotor
Definition
Motor: Eye movements - four extrinsic eye muscles, upper eyelid
Parasympathetic nervous system (PNS): Iris, ciliary muscle (accommodation)
Term
Trochlear
Definition
Motor: Eye movements - superior oblique eye muscle
Term
Trigeminal
Definition
Sensory: General sensory (eye, nose face, oral cavity)
Motor: Mastication and speech muscles
Term
Abducens
Definition
Motor: Eye movements - lateral rectus eye muscle
Term
Facial
Definition
Sensory: Special sensory - taste (anterior two-thirds)
Motor: Muscles of facial expression, scalp muscles
PNS: Lacrimal gland, nasal mucous, salivary glands
Term
Vestibulocochlear
Definition
Sensory: Special sensory - hearing and balance (inner ear)
Term
Glossopharyngeal
Definition
Sensory: Special sensory - taste (posterior), General sensory - external ear & diaphragm, Visceral sensory - thoracic and abdominal cavities
Motor: Pharynx & soft palate - swallowing and speech
PNS: Heart, lungs, smooth muscles in digestion
Term
Spinal accessory
Definition
Motor: Voluntary muscles of throat, head movements
Term
Hypoglossal
Definition
Motor: muscles of tongue
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