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Nervous word list

Nervous system word list

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