Reverse Definitions
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| epilepsy | a disorder characterized by seizures
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| coma | abnormal deep unconsciousness
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| microcephaly | abnormally small head
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| anorexia nervosa | all consuming desire to be thin
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| bulimia nervosa | binging and purging illness
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| concussion | brain injury causing transient loss of consciousness
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| ventricles | cavity of an organ
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| trephination | circular opening make in the skull to relieve intracranial pressure
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| automatic nervous system (SNS) | conveys impulses to glands, smooth muscles and cardiac muscles(involuntary functions)-part of the PNS
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| hypnotics | depress CNC functions to induce sleep
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| multiple sclerosis | disease of the myelin sheath
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| myelopathy | disease of the spinal cord
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| cerebrum | largest and uppermost portion of brain, major functions incl sensory perception, interpretation, muscular movement & emotional aspects of behavior and memory
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| agnoisa | inability to comprehend auditory, visual, spatial, olfactory & other senses
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| catatonic | inability to move or talk
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| aphasia | inability to speak
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| craniotomy | incision into the skull
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| peripheral nervous system (PNS) | includes all nervous tissue of the body found outside the central nervous system (CNS)
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| encephalitis | inflammation of the brain
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| pia mater | inner most membrane of the brain and spinal cord
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| tremor | involuntary tremble or shake
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| tic | involuntary spasmodic muscular contraction
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| ataxia | lack of muscle coordination
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| lethargy | lack f response; sluggish
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| psychosis | major emotional disorder
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| nerve conduction velocity (NVC) | measures the speed impulses travel through a nerve
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| arachnoid membrane | middle layer covering the brain and spinal cord (resembles spider webs)
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| efferent | moves away from central structure
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| afferent | moves toward central structure
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| central nervous system (CNS) | network of nervous tissue found in brain and spinal cord
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| neurosis | nonpsychotic mental illness
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| idiopathic | occurring without a known cause
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| dura mater | outer most covering of the brain and spinal cord (pachymeninges)
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| cisternal puncture | spinal puncture at the base of the brain to extract spinal fluid or inject medication
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| myelalgia | pain in the spinal cord
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| herpes zoster | painful acute infectious disease aka singles
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| dystrophy | poor development
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| aura | premonitory awareness of an approaching physical or mental illness (seizures)
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| anesthetic | produce loss of sensation
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| anxiety | psychological worry disorder
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| electroencephalography (EEG) | records electrical activity of the brain
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| cerebellum | occupies back of brain refines muscular movement and aids in maintaining equilibrium
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| analgesics | relieve pain
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| convulsion | sudden violent contraction of the muscles
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| neuron | the functional cell of nervous system
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| meninges | three membranes that cover and protect brain and spinal cord (dura mater, arachnoid , pia mater)
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| neurotransmitters | transmit impulses across synapses
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| asthenia | weakness or debility
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| myelin sheath | white fat like sheath (lipoid)
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| dendrites | branching cytoplasmic projections that receive impulses and transmit them to cell body
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| dysrhythmia | abnormal rhythm (in brain or heart)
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| ganglion | a collection of nerve bodies
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| ganglionectomy | excision of ganglion
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| hyperkinesia | excessive movement
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| mixed nerves | nerves composed of both sensory and motor nerves (found in PNS)
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| opiates | stupor or sleep inducing (narcotic) drug containing opium
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| parasympathetic nervous system | part of autonomic systems, reverses effects of sympathetic nervous system on the body
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| sympathetic nervous system | part of the autonomic system, causes symptoms such as accelerated heart and increased blood pressure, fight or flight reaction
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| spinal cord | conveys sensory impulses to the brain from different parts of the body-transmits motor neurons away from brain to all muscles and organs
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| synapses | small space found between axon and one neuron and the dendrite of another
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| Tay-Sachs disease | genetic enzyme deficiency, progressive mental changes, paralysis, blindness, inability to each and ultimately death by age of four
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| tranquilizers | medications used to reduce tension and anxiety with our decreasing level of consciousness
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| somatic nervous systems | one of two part of the peripheral nervous system which conveys impulses for voluntary fucntions
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| axon | a long single projection that transmits impulses from the cell body
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| brain stem | major section of the brain that serves as a pathway for impulse conduction between brain and spinal cord
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| brain stem consists of | midbrain, medulla and pons
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| pons | connects the midbrain and medulla (bridge)
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| four structures of the brain | cerebrum, cerebellum, diencephalon, brain stem
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| three major structures of neurons | cell body (nucleus), axons (thread like), dendrites (branch like)
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| Insula | the fifth lobe of cerebrum that is only visible with dissection
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| four major types of neurolgia | astrocytes, oligodendrocytes, microglia, ependyma
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| neurolgia | nerve glue ong neurons
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| Hypothalamus | regulates the activities of ANS and controls the endocrine functions and pituitary gland
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| thalamus | receives all sensory stimuli except Olfactory (smell) and transmits to cerebral cortex
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Created by:
amatt
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