Cranial Nerves Lecture 18 - NS IV
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| Cranial Nerve 1 | Sensory. Olfactory - smell, 20 rootlets in nasal cavity
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| Cranial Nerve 2 | Sensory. Optic - Vision, Axons of ganglionic cells of retina to thalamus and midbrain, one on R and L
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| Cranial Nerve 3 | Motor. Oculomotor - Extrinsic muscles of the eye (voluntary). Smooth muscle that controls shape of pupil and lens (involuntary).
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| Cranial Nerve 4 | Motor. Trochlear - One muscle that moves the eyeball
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| Cranial Nerve 5 | Both. Trigeminal - Sense:head region. Motor: Muscles of Mastication(temporalis, Masseter, Medial&Lateral pterygoids)
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| Cranial Nerve 6 | Motor. Abducens - skeletal muscle of the eye
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| Cranial Nerve 7 | Both. Facial - Motor: facial expression muscles. Sense: Earlobe
Control secretion of saliva and lacrimal gland. Taste from Anterior 2/3 of tongue
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| Cranial Nerve 8 | Sensory. Vestibulocochlear - balance and hearing
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| Cranial Nerve 9 | Both. Glossopharyngeal - Sense: pharynx and 1/3 posterior tongue. Motor: pharynx muscle
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| Cranial Nerve 10 | Both. Vagus - Motor: larynx, Autonomic fibers = smooth muscle of thorax, abdomen, and heart. Sense: Larynx and external auditory meatus. Biggest auditory nerve
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| Cranial Nerve 11 | Motor. Accessory - control trapezius and sternocleidomastoid
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| Cranial Nerve 12 | Motor. Hypoglossal - control muscles of tongue
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