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Nervous System test

Review

TermDefinition
Nerve a large bundle of axons wrapped in connective tissue.
Axon a long, single projection that transmits impulses from the cell body.
Multiple Sclerosis a progressive, degenerative disease of the myelin sheath.
Epilepsy A recurrent disorder of cerebral functions characterized by seizures.
Lethargy abnormal inactivity or lack of response to normal stimuli.
Dysrhythmia abnormal rhythm.
Coma abnormally deep unconsciousness with absence of voluntary response to stimuli.
Microcephaly abnormally small head.
Herpes Zoster acute inflammatory eruption of painful vesicles; also called shingles.
Convulsion A sudden and violent contraction of one or more muscles.
Dendrites Branching cytoplasmic projections.
Syncope brief loss of consciousness.
Dementia broad term that refers to cognitive deficit.
Efferent carry or move away from a central structure.
Afferent carry or move toward a central structure.
Neurotransmitters chemical substances that facilitate the transmission of impulses across synapses.
Tay-Sach disease Characterized by progressive mental challenges.
Autonomic Nervous System conveys impulses to glands, smooth muscles and cardiac muscles.
Spinal Cord conveys sensory impulses to the brain and motor impulses away from the brain.
Hypnotics depress central nervous system functions.
Bulimia Nervosa eating disorder characterized by binging and purging.
Hyperkinesia excessive movement.
Ganglionectomy excision of a ganglion.
Meningocele form of spina bifida in which the spinal cord develops properly but the meninges protrude.
Occulta form of spina bifida in which one or more vertebrae are malformed.
Agnosia inability to comprehend auditory, visual, spatial, olfactory or other sensations.
Aphasia inability to speak.
Craniotomy incision into the skull.
Encephalitis inflammation of the brain.
Concussion injury to the brain, occasionally with transient loss of consciousness.
Pia Mater innermost membrane covering the brain and spinal cord.
Tremor involuntary tremble or shake.
Ataxia lack of muscle coordination.
Cerebrum largest and uppermost portion of the brain; sensory, emotions aspects of behaviour and memory.
Psychosis major emotional disorder.
Arachnoid Membrane middle layer covering the brain.
Myelomeningocele most severe form of spina bifida.
Lumbar Puncture needle puncture of the spinal cavity.
Neurosis nonpsychotic mental illness.
Idiopathic occurring without a known cause.
Dura Mater outermost membrane covering the brain and spinal cord.
Myelagia pain in the spinal cord.
Dystrophy poor development.
Electroencephalogram recording of electrical activity in the brain.
Cerebellum second largest part of the brain; refines muscular movement.
Trephination technique that cut a circular opening into the skull.
Nerve Conduction Velocity test that measures the speed at which impulses travel through a nerve.
Neuron the functional cell of the nervous system
Asthenia weakness, debility or loss of strength.
Anesthesia without feeling; loss of sensation
AD Alzheimer Disease
ADHD attention deficit-hyperactivity disorder
CNS central nervous system
CP cerebral palsy
CSF cerebrospinal fluid
CT computed tomography
CTA computed tomography angiography
CVA cerebrovascular accident
EEG electroencephalography
EMG electromyography
ICP intracranial pressure
LOC loss of consciousness
LP lumbar puncture
MEG magnetoencephalography
MRI magnetic resonance imaging
MS multiple sclerosis
MSI magnetic source imaging
NCV nerve conduction velocity
PET position emission tomography
PNS parasympathetic nervous system
Created by: brittjones