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Med Terms- 23
Term | Definition |
---|---|
central nervous system | brain and spinal cord |
neurons | what the structures of the nervous system are composed of |
myelin | many neurons are covered by this insulating substance that helps them conduct their electrical impulses faster |
meningocele | protrusion of meninges |
cerebrum | largest part of the brain divided into frontal, parietal, temporal, and occipital lobes |
cerebromalacia | softening of cerebrum |
cerebrovascular | pertaining to cerebral blood vessels |
electroencephalogram | record of electricity of the brain |
encephalitis | brain inflammation |
anesthesia | without sensation |
pia meter | inner layer of protective sac around the brain and spinal cord |
myelosclerosis | hardening of spinal cord |
sensory nerves | carry info to CNS |
motor nerves | carry messages from CNS to muscles and organs |
neuropathy | nerve disease |
dysphasia | difficult speech |
hemiplegia | half paralysis |
pontocerebellar | pertaining to pons and cerebellum |
anticonvulsant | reduce excitability of neurons |
brain tumor | intracranial mass |
cerebral contusion | bruising of the brain |
cerebral palsy (CP) | nonprogressive brain damage resulting from defect in fetal development or trauma, or oxygen deprivation at time of birth |
cerebrovascular accident (CVA) | stroke |
coma | profound unconsciousness |
concussion | last 24 hrs or less. occur when brain is shaken inside the skull |
dementia | impairment of intellectual function that interferes with performing ADLs |
epilepsy | recurrent brain disorder; seizure and loss of consciousness occur as a result of uncontrolled neuron electrical activity |
hydrocephalus | buildup of cerebrospinal fluid within the brain |
lumbar puncture (LP) | spinal puncture or spinal tap |
migraine | specific type of headache characterized by sever head pain, sensitivity to light, dizziness, and nausea |
multiple sclerosis (MS) | immune system damages myelin around neurons |
myasthenia gravis | autoimmune disease with severe muscular weakness and fatigue; effects synapse |
paralysis | loss of muscle function and movement |
Parkinson disease | chronic disorder of nervous system with fine tremors, muscular weakness, rigidity, and shuffling gait |
seizure | absence seizure (petit mal seizure), tonic-clonic seizure (grand mal seizure) |
shingles | herpes zoster |
spina bifida | congenital defect in walls of spinal canal |
spinal cord injury (SCI) | damage to spinal cord |
subdural hematoma | mass of blood forming underneath dura mater |
syncope | fainting |
transient ischemic attack (TIA) | temporary reduction of blood supply to brain |
cerebrospinal | pertaining to the cerebrum and spinal cord |