Nervous system word list
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| Also known as the sensory nerves; conduct impulses toward the Central Nervous System | Afferent Nerves
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| Progressive neurological disorder of unknown etiology, characterized by memory loss, impaired judgment, impaired orientation | Alzheimer's disease
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| Without feeling; loss of sensation | Anaesthesia
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| Agents that relieve pain by inhibiting the passage of pain impulses. | Analgesics
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| Autonomic Nervous System- one of the two parts of the Peripheral Nervous System which conveys impulses to glands, smooth muscles, and cardiac musclues (involuntary functions) | ANS
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| Medications which are seizure suppressants. | anticonvulsants
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| Medication used to alleviate mental depression. | antidepressants.
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| Inabliity to speak | Aphasia
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| Middle layer covering the brain, between the dura mater and the pia mater. | Arachnoid membrane
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| Star-shaped neuroglia, which forms the blood-brain barrier, allowing only small molecules to be transferred from the blood to the brain | Astrocytes
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| Irregularity of movement due to defective muscle control. Lack of muscle coordination. | Ataxia
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| A long, single projection that transmits impulses from the cell body. | Axon
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| Facial paralysis due to the 7th cranial nerve disorder. | Bell's Palsy
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| Major section of the brian the serves as a pathway for impulse conduction between the brain and spinal cord; made up of medulla,pons and midbrain. | Brainstem
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| Stuporous or unresponsiveness; inablity to move or talk | Catatonic
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| Second largest part of the brain; occupies the back of the brain; refines the movement when the cereburum initiates muscular movement; aids in maintaing equilibrium. | Cerebellum
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| Largest and uppermost portion of the brain whose major functions include sensory perception and interpretation,muscular movement, and emotional aspects of behaviour and memory. Motor, sensory and association | Cerebrum
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| A spinal puncture at the base of the brain to extract spinal fluid or inject medication. | Cisternal Puncture
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| Central Nervous System- includes the brain and spinal cord. | CNS
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| Abnormal, deep unconsciousness with absence of voluntary responses to stimuli. | Coma
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| Injury resulting from impact of the brain with an object. | Concussion
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| Onset of involuntary muscle contractions and relaxations. | Convulsion
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| Cerebral Palsy-a disease involving dysfunction of the cerebrum which sensory perception, musclar movement, and emotional aspects of memory and behaviour. | CP
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| Incision into the skull | Craniotomy
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| Cerebrospinal Fluid | CSF
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| Computerized Tomography Scan- a radiographic examination which demonstrates the area in segments of depth; with computer-generated results. | CT Scan
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| Branching cytoplasmic projections that receive impulses and transmit them to the cell body. | Dendrites
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| Outermost membrane covering the brain and spinal cord. | Dura mater
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| Abnormal rhythm, such as electrical disturbances in the brain. | Dysrhythmia
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| Poor development. | Dystrophy
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| Electroencephalogram. Record of the patterns of brain activity. | EEG
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| Also known as motor nerves; conduct impulses away from the Central Nervous System. | Efferent Nerves
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| Inflammation of the brain. | Encephalitis
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| A recurrent disorder of cerebral functions characterized by seizures/convulsions. | Epilepsy
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| Electroconvulsive Therapy. | ECT
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| A collection of nerve bodies. | Ganglion
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| Excision of a ganglion. | ganglionectomy
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| Serious form of epileptic seizure, characterized by sudden loss of consciousness and violent spasms. | Grand Mal seizure
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| Paralysis of half of the body. | Hemiplegia
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| Increase of cerebrospinal fluid within the ventricles of the brain. | Hydrocephalus
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| Excessive movement. | Hyperkinesia
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| Occurring without a known cause. | Idiopathic
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| Sluggishness | Lethargy
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| Lumber Puncture. Removes CSF from between the 3rd and 4th lumbar vertebrae. | LP
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| Three membranes that cover and protect the brain and spinal cord;dura mater,arachnoid membrane,and pia mater. | Meninges
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| Congenital hernia/protusion of meninges through an opening in the skull or spinal column. | Meningocele
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| Abnormally small head. | microcephaly
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| Nerves composed of both sensory and motor nerves. | Mixed nerves
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| A nerve that conducts impulses away from the Central Nervious System. Message sent from the brain. | Motor nerve
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| A progressive degenerative disease of the myelin sheath, striking young adults aged 20-40;signs and symptoms include tremors,muscle weakness,and slowness of movement. | Multiple Sclerosis
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| Pain in the spinal cord/bone marrow | Myelalgia
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| White fat-like sheath that covers many axons in the Peripheral Nervous System and the Central Nervous System | Myelin
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| Radiography of the spinal cord after injection of dye. | Myelography
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| Any disease of the spinal cord. | Myelopathy
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| A large bundle of axons wrapped in connective tissue. | Nerve
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| Induction of regional anaesthesia causing loss of sensation. | Nerve block
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| Nerve glue | Neuroglia
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| Surgical freeing of a nerve from an adhesion. | Neurolysis
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| A nerve cell; the functional cell of the nervous system; is responsible for impulse conduction. | Neuron
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| Chemical substances that facilitate the transmission of impluses across synapses. | Neurotransmitters
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| Stupor or sleep-inducing (narcotic) drugs, containing opium. | Opiates
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| Paralysis of trunk and both legs. | Paraplegia
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| Part of the Autonomic Nervous System. Reverses effects of sympathetic system on the body(eg. slows the heart rate). | Parasympathetic Nervous System
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| Mild epileptic seizure (10-30 seconds in duration); consisting of momentary change in level of consciousness. | Petit Mal Seizure
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| Innermost membrane covering the brain and spinal cord. | Pia Mater
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| Peripheral Nervous System-includes all nervous tissue of the body found outside the Central Nervous System. | PNS
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| Paralysis of the trunk and all four extremities. | Quadiplegia
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| Medication that depresses CNS activity; has a calming effect. | Sedative
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| A nerve that receives impulses from sense organs. Messages sent to the brain. | Sensory nerve
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| Somatic Nervous System- one of the two parts of the Peripheral Nervous System which conveys impulses for voluntary functions. | SNS
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| A congenital defect in the spinal column through which the spinal cord and menings may protrude; usually occurs in the lumber region. | Spina Bifida
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| Part of the Autonomic Nervous System. When in use may cause symptoms such as an accelerated heart rate and increased blood pressure. | Symathetic Nervous System
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| Conveys sensory impulses to the brain from different parts of the body and also transmits motor impulses away from the brain to all muscles and organs. | Spinal cord
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| A small space found between the axon of one neuron and the dendrite of another. The space between two neurons. | Synapse
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| Fainting. | Syncope
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| Genetic enzyme deficiency; characterized by progessive mental challenges,paralysis, blindness,inability to eat, and ultimately to death by age of 4 years. | Tay-Sach's Disease
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| Involuntary, spasmodic muscular contractions,usually of the face and neck. | Tics
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| Medications used to reduce tension and anxiety without decreasing level of consciousness. | Tranquilizers
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| Involuntary tremble or shake | Tremor
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| Spaces located in the inner portion of the brain that contains cerebrospinal fluid. | Ventricles
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