Nervous System- Reverse Definations
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on it to display the answer.
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| nerve | a large bundle of axons wrapped in connective tissue
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| axon | a long, single projection that transmits impulses from the cell body
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| multiple sclerosis | a progressive, degenerative disease of the myelin sheath
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| epilepsy | a recurrent disorder of cerebral functions characterized by seizures
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| lethargy | abnormal inactivity or lack of response to normal stimuli
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| dysrthythmia | abnormal rhythm
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| coma | abnormally deep unconsciousness with absence of voluntary response to stimuli
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| microcephaly | abnormally small head
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| herpes zoster | acture inflammatory eruption of painful vessicles; also called shingles
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| convulsion | any sudden and violent contraction of one or more muscles
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| dendrites | branching cytoplasmic projections
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| syncope | brief loss of consciousness
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| dementia | broad term that refers to cognitive deficit
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| efferent | carry or move away from a central structure
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| afferent | carry on or move toward a central structure
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| neurotransmitters | chemical substances that facilitate the transmission of impulses across the synapses
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| Tay-Sach disease | characterized by progressive mental challenges
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| autonomic nervous system | conveys impulses to glands, smooth muscles and cardiac muscles
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| spinal cord | conveys sensory impulses to the brain and motor impulses away from the brain
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| hypnotics | depress central nervous system functions
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| bulimia nervosa | eating disorder characterized by binging and purging
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| hyperkinesia | excessive movement
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| ganglionectomy | excision of the ganglion
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| meningocele | form of spina bifida in which the spinal cord develops properly but the meninges protrude
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| occulta | form of spina bifida in which one or more vertebrae are malformed
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| agnosia | inability to comprehend auditory, visual, spatial, olfactory or other sensations
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| aphasia | inability to speak
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| craniotomy | incision into the skull
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| encephalitis | inflammation of the brain
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| concussion | injury to the brain, occasionally with transient loss of consciousness
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| pia mater | innermost membrane covering the brain and the spinal cord
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| tremor | involuntary tremble or shake
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| ataxia | lack of muscle coordination
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| cerebrum | largest and uppermost portion of the brain; sensory, emotions aspects of behaviour and memory
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| psychosis | major emotional disorder
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| arachnoid membrane | middle layer covering the brain
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| myelomeningocele | most severe form of spina bifida
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| lumbar puncture | needle puncture of the spinal cavity
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| neurosis | nonpsychotic mental illness
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| idiopathic | occurring without a known cause
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| dura mater | outermost membrane covering the brain and spinal cord
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| myelalgia | pain in the spinal cord
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| dystrophy | poor development
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| electroencephalography | recording of the electrical activity in the brain
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| cerebellum | second largest part of the brain; refines muscular movement
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| trephination | technique that cuts a circular opening into the skull
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| nerve conduction velocity | test that measures the speed at which impulses travel through a nerve
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| neuron | the functional cell of the nervous system
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| asthenia | weakness, debility or loss of strength
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| anesthesia | without feeling; loss of sensation
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