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24 Cards in this Set
- Front
- Back
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-cranial nerve that provides a sense of smell.
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Olfactory (I) Nerve
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-cranial nerve that provides a sense of vision
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Optic (II) Nerve
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-cranial nerve that raises eyelids and moves eyes.
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Oculomotor (III) Nerve
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-cranial nerve that controls movement of the eye.
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Trochlear (IV) Nerve
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-cranial nerve that innervates teeth and skin of face.
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Trigeminal (V) Nerve
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-cranial nerve that controls the movements of the eye.
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Abducens (VI) nerve
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-cranial nerve that controls muscles of facial expression and secretions of saliva and tears.
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Facial (VII) nerve
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-cranial nerve that provides a sense of hearing (vestibular) and equilibrium (cochlear).
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Vestibulocochlear (VIII) nerve
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-cranial nerve that controls taste, swallowing, and salivation.
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Glossopharyngeal (IX) nerve
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-cranial nerve that controls the thoracic and abdominal organs.
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Vagous (X) nerve
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-cranial nerve that controls swallowing and movements of the head and shoulders.
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Accessory (XI) nerve
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-cranial nerve that controls tongue movements during speech and swallowing.
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Hypoglossal (XII) nerve
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-grooves that make up the cerebral cortex.
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Sulci
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-folds that make up the cerebral cortex.
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Gryus
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-a channel through the midbrain connecting the third and fourth ventricles and containing CSF.
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Cerebral aqueduct
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-gyrus of the cerebral cortex located immediately anterior to the central sulcus; contains the primary motor area.
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Precentral gyrus
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-a band of white matter connecting the left and right cerebral hemispheres.
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Corpus callosum
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-contain sensory and motor nerves within the same nerve.
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Mixed nerve
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-nerve that regulates breathing through the diaphragm. If this is damaged above C3 it could cause respiratory arrest.
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Phrenic nerve
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-functional unit of the nervous system. Most do not divide, but have the capacity to produce action potentials.
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Neuron
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-do not produce action potentials. Make up half the volume of the CNS. Can divide rapidly to form tumors. There are 4 in the CNS and 2 in the PNS.
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Neuroglial cell
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-encircle the PNS axons and produces part of the myelin sheath surrounding an axon in the PNS.
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Schwann cell
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-most common glial cell type, forms myelin sheath around more than one axon in the CNS.
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Oligodendrocyte
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-star, shaped cells, form the blood-brain barrier by covering white blood capillaries, metabolize neurotransmitters, regulate K+ balance, provide structural support.
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Astrocyte
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