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| central nervous system (CNS) |
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| portion of the CNS contained within the cranium |
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| largest portion of the brain, divided into right and left halves known as cerebral hemispheres that are connected by a bridge or nerve fibers called the corpus callsum |
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| anterior section of each cerebral hemisphere responsible for voluntary muscle movement and personality |
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| portion posterior to the frontal love, responsible for sensations such as pain and touch |
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| portion that lies below the frontal lobe, responsible for hearing taste and smell |
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| portion posterior to the parietal and temporal lobes, vision |
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| outer layer of the cerebrum consisting of gray matter, responsible for higher mental functions |
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| two gray matter nuclei deep within the brain, responsible for relaying sensory info to the cortex |
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| raised mounds of cerebral cortex |
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| ditch, shallow grooves that separate gyri |
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| splitting crack, deep grooves within the brain |
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| portion of the brain located below the occipital lobes of the cerebrum, control skeletal muscles |
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| region of the brain that serves as a relay between the entire brain, responsible for breathing, heart rate, and body temp. Three levels: mesencephalon (midbrain), pons, and medulla oblongata |
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| series of interconnected cavities within the cerebral hemispheres and brainstem filled with CSF |
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| plasma like clear fluid circulating in around the brain and spinal cord |
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| column of nervous tissue from the brainstem through the vertebra, nerve conduction to and from brain and body |
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| three membranes that cover the brain and spinal cord, consists of the dura mater, pia mater, and arachnoid |
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| nerves that branch from the CNS, including the spinal cord |
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| 12 pairs of nerves arising from the brain |
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| 31 pairs of nerves arising from the spinal cord |
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| nerves that conduct impulses from body parts and carry sensory information to the brain, afferent nerves |
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| nerves that conduct motor impulses from the brain to muscles and glands, efferent nerves |
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| autonomic nervous system (ANS) |
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| nerves that carry involuntary impulses to smooth muscle, cardiac muscle, and various glands |
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| control center for the autonomic nervous system located below the thalamus (diencephalon) |
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| sympathetic nervous system |
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| division of the ANS concerned primarily with preparing the body in stressful or emergency situations |
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| parasympathetic nervous system |
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| division of the ANS that is most active in ordinary conditions; it counterbalances the effects of the sympathetic system by restoring the body to a restful state after a stressful experience |
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