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Purple Module

Nervous System Reverse Definitions

A collection of nerve bodies ganglion
A large bundle of axons wrapped in connective tissue nerve
A long, single projection that transmits impulses from the cell body axon
Functional connection between two neurons or between a neuron and its effector organ (muscle or gland) is a gap or space
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 (MS)
A recurrent disorder of cerebral functions characterized by seizures epilepsy
A small space found between the axon of one neuron and the dendrite of another synapse
A spinal puncture at the base of the brain to extract fluid or inject medication cisternal puncture
Abnormal inactivity or lack of response to normal stimuli lethargy
Abnormal rhythm, such as electrical disturbances in the brain dysrythmia
Abnormal deep unconsciousness with absence of voluntary response to stimuli coma
Abnormally small head microcephaly
Accumulation of fluid in the ventricles of the brain, causing increased intracranial pressure, thinning of brain tissue and separation of cranial bones hydrocephalus
Act upon nerves or nerve tracts to affect a local area only local anesthetics
Act upon the brain to produce complete loss of feeling with loss of consciousness general anesthetics
Acute encephalopathy and fatty infiltration of the brain, liver, and possibly pancreas, heart, kidney, spleen, and lymph nodes Reye syndrome
Acute inflammatory eruption of highly painful vesicles on the trunk of the body or, occasionally, the face, also called shingles herpes zoster
Additional sheath external to myelin that is formed in the peripheral nervous system neurilemma
Agents that relieve pain by inhibiting the passage of pain impulses analgesics
Also known as motor nerves, conduct impulses away from the central nervous system efferent nerves
Also known as sensory nerves, conduct impulses toward the central nervous system afferent nerves
Angiography in combination with a CT scan to produce high-resolution, three-dimensional vascular images of the blood vessels CT angiography
Any disease of the spinal cord spinal stenosis
Any sudden and violent contraction of one or move voluntary muscles convulsion
Autoimmune condition that causes acute inflammation of the peripheral nerves in which myelin sheaths on the axons are destroyed, resulting in decreased nerve impulses, loss of reflex, and sudden muscle weakness Guillain-Barre syndrome
Branching cytoplasmic projections that receive impulses and transit them to the cell body dendrites
Breif loss of consciousness and posture caused by a temporary decrease of blood flow to the brain; also called fainting blackout
Broad term that refers to congenitive deficit, including memory impairment dementia
Carry or move away from a central structure efferent
Carry or move inward toward a central structure afferent
The impulses within the transmitting axon causes a chemical substances to be released at the end of its axon. It diffuses across the synapse neurotransmitter
Complex neural system located beneath the cerebrum that controls basic emotions and drives and plays an important role in memory
Computed tomography that records the positrons emitted from a radiopharmaceutical and produce a cross-sectional image of metabolic activity of body tissues to determine the presence of disease single-photon emission computed tomography
Congenital deformity in which some or all of fetal brain is missing microcephaly
Congenital deformity of the neural tube which fails to close during fetal development; also called neural tube defect anencephalay or spina bifida
Control tremors and muscle rigidity associated with Parkinson disease by increasing dopamine in the brain antiparkinsonian agents
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
CT scan of the lumbar region after injection of a contrast medium to detect problems with the spine and spinal nerve roots x-ray CT scan
Depress central nervous system functions, promote sedation and sleep, and relieve agitation, anxiousness, and restlessness hypnotics
Developmental disorder characterized by extreme withdrawl and an abnormal absorption in fantasy, usually accompanied by an inability to communicate even on a basic level autism
Eating disorder characterized by binging and purging bulimia nervosa
Excessive movement hyperkinesia
Excision of a ganglion ganglionectomy
Facial paralysis caused by a functional disorder of the seventh cranial nerve Bell palsy
Form of spina bifida in which ine or more vertebrae are malformed and the spinal cord is covered with a layer of skin occulta spina bifida
Form of spina bifida in which the spinal cord develops properly but the meninges protrude through the spine meningocele spina bifida
Genetic enzyme deficiency characterized by progressive mental challenges, paralysis, blindness, inability to eat and ultimately to death by age of four years Tay-Sach's disease
Hydrocephalus caused by factors that occur during fetal development or as a result of genetic abnormalities congenital hydrocephalus
Hydrocephalus that develops at birth or any time afterward as a result of injury or disease hydrocephalus ex-vacou
Inability to comprehend auditory, cisual, spatial olfactory or other sensations even though the sensory sphere is intact agnosia
Inability to learn and process written language despite adequate intelligence, sensory ability and exposure dyslexia
Inability to speak aphasia
Incision into the skull craniotomy
Includes all nervouse tissue of the body found peripheral nervous system (PNS)
Inflammation of the brain encephalitis
Inflammation of the gray matter of the spinal cord caused by virus, commonly resulting in spinal and muscular deformity and paralysis Huntingtin chorea
Injury to the brain, occasionally with transcient loss of consciousness as a result of injury or trauma to the head concussion
Injury to the head in which the dura mater remains intact and brain tissue is not exposed closed head trauma
Innermost membrane covering the brain and spinal cord pia mater
Involuntary tremble or shake tremor
Involuntary, spasmodic muscular contractions, usually of the face and neck tics
Laboratory test to examine a sample of the fluid surrounding the brain and spinal cord; used to diagnose disorders of the central nervous system, including viral and bacterial infections, tumors, and hemorrhage CFS analysis
Lack of muscle coordination portion of the brain whose major functions include sensory perception and interpretation, muscular movement and emotional aspects of behaviour and memory cerebrum
Loss of voluntary motion in one or more muscle groups with or without loss of sensation paralysis
Major emotional disorder in which contact with reality is lost to the point that the individual is incapable of meeting challenges of daily life psychosis
Major section of the brain that serves as a pathway for impulses conduction between the brain and spinal cord brain stem
Medication the depresses CNS activity; has a calming effect sedative
Medications used to reduce tension and anxiety without decreasing the level of consciousness tranquilizers
Mental disorder that causes unusual shifts in mood, emotion, energy and ability to function: also called manic-depressive illness bipolar disorder
Middle layer covering the brain, between the dura mater and the pia mater arachnoid membrane
Mood disorder associated with sadness, despair, discouragement, and, commonly, feelings of low self-esteem, guild and withdrawl depression
Mood disorder characterized by mental and physical hyperactivity, disorganized behaviour, and excessively elevated mood mania
Most severe form of spina bifida in which the spinal cord and meninges protrude through the spine myelomeningocele
Needle puncture of the spinal cavity to extract spinal fluid for diagnosis purposes, introduce anesthetic agents into the spinal canal, or remove fluid to allow other fluids to be injected; also called spinal puncture and spinal tap lumbar puncture
Nerves composed of both sensory and motor nerves mixed nerves
Noninvasive neuroimaging technique to pinpoint the specific location where seizure activity originates and enable custom surgical treatment for tumor and epileptic tissue resection; also called magnetoencephalography magnetic source imaging (MSI)
Nonpsychotic mental illness that triggers feelings of distress and anxiety and impairs normal behaviour neurosis
Occurring without a known cause idiopathic
One of the two parts of the peripheral nervous system which conveys impulses to glands, smooth muscles and cardiac muscles autonomic nervous system (ANS)
One of the two parts of the peripheral nervous system which conveys impulses for voluntary functions somatic nervous system
Organ chamber or cavity that receives or holds fluid
Outermost membrane covering the brain and spinal cord dura mater
Pain in the spinal cord myelalgia
Paralysis of both arms and legs, commonly resulting in bowel, bladder, and sexual dysfunction quadriplegia paralysis
Paralysis of both lower limbs, typically as a result of trauma or disease of the lower spinal cord paraplegia paralysis
Paralysis of one side of the body, typically as the result of a stroke; also called unilateral paralysis hemiparalysis
Paralysis, usually partial and commonly characterized by weakness and shaking or uncontrolled tremor palsy
Part of the autonomic nervous system. Reverses effects of the sympathetic nervous system parasympathetic nervous system (PNS)
Part of the autonomic nervous system. When in use may cause symptoms such as accelerated heart rate and increased blood pressure sympathetic nervous system
partial destruction of the thalamus to treat intractable pain, involuntary movements, including tremors in Parkinson disease or emotional distrubances thalamotomy
Poor development dystrophy
Precisely focused radiation beams are used to treat tremors and other abnormal growths in the brain, spinal column and other body sites, and delivers high doses of radiation to the tumor with minimal exposure to surrounding healthy tissue ventricle
Prevent uncontrolled neuron activity associated with seizures by altering electrical transmission along neurons or altering the chemical composition of neurotransmitters; also called antiepileptics anticonvulsants
Produce partial or complete loss of sensation with or without loss of consciousness anesthetics
Progressive neurological disorder of unknown etiology, characterized by memory loss, impaired judgement and impaired orientation Alzheimer's disease
Protective mechanism that blocks specific substances found in the bloodstream from entering delicate brain tissue blood-brain barrier
Radiographic examination to detect pathology of the spinal cord, including the location of the spinal cord injury, cysts, and tumors, following injection of a contrast medium myelography
Radiographic image of the inside of a blood vessel after introduction of a contrast medium; also called arteriography angiography
Recording of electrical activity in the brain, whose cells emit distinct patterns of rhythmic electrical impulses electroencephalography (EEG)
Recording of electrical signals that occur in a muscle when its at rest and during contraction to assess nerve damage electromyography (EMG)
Reduce impulsive behaviour by increasing the level of neurotransmitters psychostimulants
Relieves intracranial pressure due to hydrocephalus by diverting excess cerebrospinal fluid from the ventricles into the peritoneal or thoracic cavity ventriculoperitoneal shunting
Second largest part of the brain; occupies the back of the brain; refines movement when the cerebrum initiates muscular movement; aids in maintaining equilibrium cerebellum
Sensation of numbness, pricking, tingling or heightened sensitivity paraethesia
Star-shaped neuroglia, which forms the blood-brain barrier, allowing only small molecules to be transferred from the blood to the brain astrocytes
Stupor or sleep-inducing drugs, containing opium opiates
Stuporous or unresponsiveness; inability to move or talk catatonic
Sudden, intense, overwhelming feeling of fear that comes without warning and is not attributable to any immediate danger panic attack
Surgical freeing of a nerve from an adhesion neurolysis
Technique that cuts a circular opening into the skull to reveal brain tissue and decrease intracranial pressure trephination
Technique that exposes abnormal tissue to extreme cold to destroy it cryosurgery
Test that measures the speed at which nerve impulses travel through a nerve nerve conduction velocity
Tree membranes that cover and protect the brain and spinal cord; dura mater, arachnoid membrane, and pia mater meninges
Transection of a nerve tract in the brainstem or spinal cord tractotomy
Treat multiple symptoms of depression by increasing levels of specific neurotransmitters antidepressants
Treat psychosis, paranoia, and schizophrenia by altering chemicals in the brain, including the limbic system which controls emotions antipsychotics
Type of paralysis that affects movement and body position and, sometimes, speech and learning ability cerebral palsy
Type of regional anesthetic to block pain from the area supplied by that nerve
Ultrasound technique used to study intracranial structures of the brain and, especially, diagnose conditions that cause a shift in the midline structures of the brain echoencephalography
Weakness, debility or loss of strength asthenia
Axons posses, a white lipoid covering acts as an electrical insulator that reduces the possibility of an impulse stimulating adjacent nerves in the peripheral nervous system and the central nervous system myelin sheath
Without feeling; loss of sensation anesthesia
Created by: DawnLangridge