nervous system

Term Definition
acrophobia fear of heights
afferent neurons sensory neurons
ALS Amyotrophic Lateral Sclerosis
anesthetic agent capable of producing a loss of sensation and usually of consciousness without loss of vital functions articially produced
anesthetist one trained to administer anethetics
anxiety disorders any of various disorders in which anxiety is a predominant feature
ataxia lack of muscle coordination
autism a development disorder that appears by age three and that is variable in expression but is recognized and diagnosed by impairment of the ability to form normal social relationships, communication with others and by stereotyped behavior patterns
causalgia a constant usually burning pain that results from injury to a peripheral nerve and is often considered a type of complex regional pain syndrome
alges/o sense of pain
astr/o star
cephal/o head
cephalagia headache
claustrophobia abnormal dread of being in closed or narrow spaces
cognition a conscious intellectual act
coma a state of profound unconsciousness caused by disease, injury or poison
concussion condition resulting from the stunning, damaging, or shattering effects of a hard blow
CVA cerebrovascular accident
delirium a mental disturbance characterized by confusion, disordered speech, and hallucinations
delusion a false belief regarding the self or persons or objects outside the self that persists despite the facts and occurs in some psychotic states
dementia a usually progressive condition marked by the development of multiple cognitive defecits
dura mater the thin layer of bone that lines the socket of a tooth and that appears as a dense white line in radiography
dyslexia a variable often familial learning disability that involves difficulties in acquiring and processing language and is typically manifested by a lack of proficiency in reading, spelling, and writing
echoencephalography (EEG) the use of ultrasound to examine and measure internal structures of the skull and to diagnose abnormalities and disease
efferent neurons motor neurons
encephalitis inflammation of the brain that is caused by infection with a virus or less commonly by bacterial or fungal infection or autoimmune reaction
epidural anesthesia anesthesia produced by injection of a local anesthetic into the peridural space of the spinal cord beneath the ligamentum flavum
epilepsy any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, convulsions
esthes/o sensation, feeling
hallucination a perception of something with no external cause usually arising from a disorder of the nervous system or in response to drugs
hemorrhagic stroke stroke caused by the rupture of a blood vessel in or on the surface of the brain with bleeding into the surrounding tissue
hydrocephalus an abnormal increase in the amount of cerebrospinal fluid within the cranial cavity that is accompanied by expansion of the cerebral ventricles and often increased intracranial pressure, skull enlargement, and cognitive decline
hyperesthesia unusual or pathological sensitivity of the skin or of a particular sense to stimulation
hypochondrias morbid concern about ones health especially when accompanied by delusions of physical disease
ischemic stroke stroke caused by the narrowing or blockage of a blood vessel supplying the brain
laminectomy removal of a portion of vertabra
lethargy abnormal drowsiness
meninges the connective tissue membrane which covers the brain and spinal cord
meningitis inflammation of the meninges and especially of the pia mater and the arachnoid
meningocele a protrusion of meninges through a defect in the skull or spinal column forming a cyst filled with cerebrovascular fluid
multiple sclerosis a demyelinating disease marked by patches of hardened tissue in the brain or spinal cord and associated especially with partial or complete paralysis and jerking muscle tremor
myel/o spinal cord
myelitis inflammation of the sinal cord or of the bone marrow
myelogram x-ray record of the spinal cord
myelography radiographic visualization of the spinal cord injection of a contrast medium into the spinal subarachnoid space
narcolepsy a condition characterized by brief attacks of deep sleep often occurring with cataplexy and hyphagogic hallucinations
neuorrhaphy suture a nerve back together
neuralgia nerve pain
neurectomy surgical removal of a nerve
neuroma nerve tumor
neuroplasty surgical repair of a nerve
neurotransmitters a substance that transmits nerve impulses across a synapse
obsessive compulsive disorder an anxiety disorder characterized by recurrent obsessions or compulsions or both that cause significant distress
panic attack an episode of intense fear or apprehension that is of sudden onset and may occur for no apparent reason or as a reaction to an identifiable triggering stimulus
paresis suffix for weakness
parasthesia a sensation of pricking, tingling, or creeping on the skin having no objective cause and usually associated with injury or irritation of a sensory nerve or nerve root
peripheral neuropathy a disease or degenerative state of the peripheral nerves in which motor sensory or vasomotor nerve fibers may be affected and which is marked by muscle weakness and atrophy, pain and numbness
plegia suffix for paralysis
poli/o gray matter
poliomyelitis an infectious disease especially of young children that is caused by the polio virus
schizoprenia a mental disorder characterized by loss of contact with the environment by noticeable deteriorization in the level of functioning in every day life and by disentegration of personality expressed as disorder of feeling, thought, perception and behavior
sciatica pain along the course of a sciatic nerve especially in the back of the thigh caused by compression, inflammation, or reflex
seizure the physical manifestations resulting from abnormal electrical discharges in the brain
shaken baby syndrome one or more of a group of symptoms that tend to occur in an infant which has been severely shaken but that may also result from other actions causing internal trauma especially to the brain region and that may ultimately result in the death of the infant
syncope loss of consciousness resulting from insufficient blood flow to the brain
thec/o sheath
trigeminal neuralgia an intense paroxysmal neuralgia involving one or more branches of the trigeminal nerve

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