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12 CRANIAL NERVES
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OLFACTORY NERVE Cranial Nerve I
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I. Olfactory Nerve Component: Sensory Function: Smell
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Olfactory Nerve
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OPTIC NERVE Cranial Nerve II
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II. Optic Nerve Component: Sensory Function: Vision
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II. Optic Nerve
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OCCULOMOTOR NERVE Cranial Nerve III
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III. Occulomotor Nerve Component: Motor Function: Raises upper eyelid
Turns eyeball upward, downward and medially Constricts pupil Accommodates the eye
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III. Occulomotor Nerve
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TROCHLEAR NERVE Cranial Nerve IV
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IV. Trochlear Nerve Component: Motor
Function: Assisting in turning eyeball downward and laterally
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IV. Trochlear Nerve
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TRIGEMINAL NERVE Cranial Nerve V V1. Ophthalmic Nerve
V2. Maxillary Nerve V3. Mandibular Nerve
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V1. Ophthalmic Nerve Component: Sensory Function: Cornea
Skin of forehead Scalp Eyelids and nose Mucous membranes of paranasal sinuses and nasal cavity
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V. Trigeminal Nerve
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V2. Maxillary Nerve Component: Sensory Function:
Skin of the face over maxilla Teeth of the upper jaw Mucous membrane of the nose, the maxillary sinus and palate
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V. Trigeminal Nerve
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V2. Maxillary Nerve
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V3. Mandibular Nerve Component: a. Motor Function:
Muscles of mastication Mylohyoid Anterior belly of digastric Tensor veli palatine Tensor tympani
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V. Trigeminal Nerve
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V3. Mandibular Nerve Component: b. Sensory Function: Skin of cheek
Skin over mandible and side of head Teeth of lower jaw and TMJ Mucous membrane of mouth and anterior part of tongue
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V. Trigeminal Nerve
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ABDUCENT NERVE Cranial Nerve VI
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VI. Abducent Nerve Component: Motor
Function: Lateral rectus muscle turns eyeball laterally
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VI. Abducent Nerve
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FACIAL NERVE Cranial Nerve VII
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VII. Facial Nerve Component: Mixed Function: Motor Function: Sensory
muscles of the face and scalp Stapedius muscle Posterior belly of digastric Stylohyoid muscles Function: Sensory Taste from ant. 2/3 of tongue, from the floor of the mouth and palate
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VII. Facial Nerve
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VESTIBULOCOVHLEAR NERVE
Cranial Nerve VIII *Aka Auditory / Acoustic Nerve
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VIII. Vestibulocochlear Nerve
Component: Sensory Function: Vestibular - Saculae, saccule, semicircular canals – position of head Cochlear – Organ of Corti - hearing
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VIII. Vestibulocochlear Nerve
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GLOSSOPHARYNEGEAL NERVE
Cranial Nerve IX
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IX. Glossopharyngeal Nerve
Component: Mixed Function: Sensory General sensation and taste from post. ½ of the tongue and pharynx Carotis sinus and carotid body Function: Motor Stylopharyngeus muscle – assists swallowing
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IX. Glossopharyngeal Nerve
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VAGUS NERVE Cranial Nerve X
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X. Vagus Nerve Component: Mixed Motor Function:
Heart and great thoracic blood vessels Larynx, trachea, bronchi and lungs Liver, kidney, pancreas Sensory Function: Visceral organ pain (stomach pains for example)
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X. Vagus Nerve
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ACCESSORY NERVE Cranial Nerve XI
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XI. Accessory Nerve Component: Motor Function: Cranial root
Muscles of soft palate (except tensor veli palatini) Muscles pharynx (except styopharyngeus) Muscles of larynx (except cricothyroid) Spinal root Sternocleidomastoid and trapezius muscle
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XI. Accessory Nerve
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HYPOGLOSSAL NERVE Cranial Nerve XII
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XII. Hypoglossal Nerve Component: Motor
Function: Muscles of tongue (except palatoglossus controlling its shape and movement)
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XII. Hypoglossal Nerve
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Cranial Nerve Order Ooh, Ooh, Ooh, to touch and feel very good V and H
Olfactory, Optic, Occulomotor, Trochlear, Trigeminal, Abducent, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, Hypoglossal
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Some say marry money but my brother says big brains matter most.
Cranial Nerve Component Order Some say marry money but my brother says big brains matter most. Sensory, Sensory, Motor, Motor, Both(sensory & motor), Motor, Both, Sensory, Both, Both, Motor, Motor
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