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| Divisions of the nervous system |
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CNS (central nervous system)
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| cranial nerves and spinal nerves |
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| organs of the nervous system |
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| brain, spinal cord, and nerves |
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| study of the nervous system |
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| physician who specializes in the study of the nervous system |
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| a speciality area concerned with the surgical approach to treating conditions of the nervous system |
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| nervous weakness, exhaustion, prostration |
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| tumor composed of nerve cells |
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| genetic disorder that affects cell growth of neural tissue |
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| surgical removal of a nerve or part of one |
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| a congenital condition in where there is lack of development of the brain |
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| recording of brain electrical activity |
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| inflammation of the brain and its meninges |
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| inflammation of the brain |
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| two types of cells of the nervous tissue |
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| neurons and neuroglial cells |
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| three basic parts of a neuron |
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| dendrites, nerve cell body, and axon |
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| highly branched projections of a neuron that travel into the nerve cell body and receive impulses |
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| part of the neuron that contains the nucleus |
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| a single part of the neuron that travels away from the nerve cell body |
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| location of neuroglial cells |
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| function of neuroglial cells |
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| each has a different support function, some make myelin |
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| fatty substance that acts as insulation for many axons |
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| neuroglial cells do not... |
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| conduct electrical impulses |
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| This system consists of both white matter and gray matter |
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| gray matter is comprised of... |
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| unsheathed or unmeylinated cell bodies and dendrites |
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| bundles of nerve fibers interconnecting different parts of the CNS |
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| CNS is encased and protected by three membranes known as... |
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| means tough mother, forms a tough, fibrous sac around the CNS (outer layer) |
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| space between the dura mater and arachnoid layer |
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| means spider-like, is a thin delicate layer attached to the pia mater by web-like filaments (middle layer) |
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| means spider-like, is a thin delicate layer attached to the pia mater by web-like filaments (middle layer) |
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| space between the arachnoid layer and pia mater, CSF circulates here |
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| means soft mother, applied directly to the surface of the brain (inner layer) |
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| inflammation of the meninges |
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| congenital herniation of the skull or spinal cord in which the meninges protrude |
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| any disease of the meninges |
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| congenital herniation of the spinal cord and meninges through a defect in the vertebral column |
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| embryonic failure of fusion of the vertebral arches |
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| pertaining to increased fluid in the brain |
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| herniation of part of the brain through the skull |
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| surgical repair of the skull |
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| removal of part of the skull |
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| to create a surgical opening in the skull |
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| coordinates most body activites, center for all thought, memory, judgment, and emotion |
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| four sections of the brain |
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| cerebrum, cerebellum, diencephalon, and brain stem |
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| pertaining to the cerebrum and spinal cord |
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| cerebrum is the...section of the brain |
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| functions of the cerebrum |
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| processes thoughts, judgment, memory, association skills, and ability to discriminate between items |
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| outer layer of the cerebrum |
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| cerebral cortex, composed of folds of gray matter |
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| convolutions of the gray matter of the cerebrum |
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| fissures that seperate out the gyri |
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| left and right halves of the cerebrum |
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| each cerebral hemisphere has...lobes |
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| hardening of the cerebral hemispheres |
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| frontal, parietal, occipital, and temporal |
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| controls motor function, personality, and speech |
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| removal of the frontal lobe of the brain |
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| location of parietal lobe |
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| function of parietal lobe |
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| receives and interprets nerve impulses from sensory receptors and interprets language |
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| location of occipital lobe |
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| function of occipital lobe |
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| location of temporal lobe |
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| left and right lateral portion |
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| function of temporal lobe |
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| controls hearing and smell |
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| loss of consciousness or fainting due to a sudden lack of oxygen in the brain |
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| the two areas that the diencephalon contains (two of the most critical areas of the brain) |
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| thalamus and hypothalamus |
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| thalamus acts as center for |
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| relaying impulses from the eyes, ears, and skin to the cerebrum |
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| pain perception is controlled by... |
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| hypothalamus is located... |
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| body temp, appetite, sleep, sexual desires, and emotions |
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| hypothalamus is responsible for controlling what systems? |
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| ANS (autonomic nervous system), CV system, GI system, and release of hormones from the pituitary gland |
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| coordinating voluntary body movements and maintaining blance and equilibrium |
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| cerebellum refines...that is initiated in the cerebrum |
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| pertaining to the cerebellum |
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| inflammation of the cerebellum |
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| three parts of the brain stem |
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| midbrain, pons, and medulla oblongata |
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| midbrain acts as a pathway for... |
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| impulses to be conducted between the brain and spinal cord |
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| cerebellum to the rest of the brain |
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| medulla oblongata (most inferior portion of the brain) connects... |
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| the brain to the spinal cord |
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| brain ventricles contain... |
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| CSF (cerebrospinal fluid) |
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| watery, clear fluid that provides protection from shock or sudden motion to the brain |
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| 1 in each cerebral hemisphere, 1 in the thalamus, and 1 in front of the cerebellum |
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| inner core of the spinal cord contains... |
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| outer portion of the spinal cord is... |
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| carries sensory information up to the brain |
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| carries motor information down from the brain to a peripheral nerve |
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| inflammation of the spinal cord |
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| x-ray recording of the spinal cord |
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| any disease of the spinal cord |
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| instrument used to cut or dissect the spinal cord |
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| difficult or defective formation of the spinal cord |
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| inflammation of the brain and spinal cord |
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| function of the spinal cord |
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| provide a pathway for impulses to travel to and from the brain |
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| spinal cord is actually a column of nervous tissue that... |
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| extends from the medulla oblongata down to L2 within the vertebral column |
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| inflammation of the gray matter of the spinal cord (acute viral infection) |
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| paralysis that affects one half of the body |
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| paralysis of all 4 extremities |
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| slight paralysis affecting one side of the body |
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| loss of ability to use objects properly |
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| loss of ability to eat or swallow |
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| loss of muscle coordination |
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| impairment of the ability to recognize things |
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| PNS contains what and how many nerves? |
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| 12 pairs of cranial nerves, 31 pairs of spinal nerves |
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| inflammation of the nerves |
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| inflammation of the nerve roots |
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| inflammation of the sciatic nerve |
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| suture of a severed nerve |
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| surgical repair of a nerve |
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| supplies most organs in abdominal thoracic cavities |
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| sensory neurons, carry sensory info from a sensory receptor to CNS |
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| motor neurons, cary activity instructions from the CNS to muscles or glands |
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| knot-like mass of nerve cell bodies grouped together |
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| inflammation of a ganglion |
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| sympathetic and parasympathetic |
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| "fight or flight" stimulate body in time of stress or crisis |
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| stroke or CVA can be caused by... |
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| thrombus, embolus, or rupture |
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| peripheral nervous system |
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| transient ischemic attack |
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