-
efferent neuron = motor neuron
CNS to muscle or gland
-
afferent neuron = sensory neuron
receptors (all over) to CNS
-
synapse
junction from nerve impulse from axon terminal to neuron or muscle cell or gland cell
-
neuroglia
support neurons
-
-
-
-
-
-
-
-
-
-taxia
order, coordination
-
-
agnosia
inability to comprehend with senses even though senses are all intact
-
-
ataxia
lack of muscle coordination
-
aura
awareness of approaching physical or mental disorder
-
clonic spasm
alternate contraction and relaxation of muscles
-
closed head trauma
dura mater remains intact, brain tissue not exposed
-
Guillain-Barre
acute polyneuritis with progressive extremity muscle weakness
-
hydroencephalus
fluid in the ventricles, thinning of brain tissue, separation of cranial bones
-
spina bifida
neural tube doesn't close (tube that forms fetal brain and spinal cord)
-
meningocele spina bifida
meninges protrude through spine
-
myelomeningocele spina bifida
most severe--spinral cord and meninges protrude through spine
-
occulta spina bifida
on or more vertebrae malformed, spinal cord covered with a layer of skin
-
paresthesia
numbness, prickling, tingling or heightened sensitivity
-
Reye syndrome
acute encephalopathy and fatty infiltration
-
EMG
electromyography...assess nerve damage by recording action potentials in muscle
-
MEG
magnetoencephalography...maps neurons
-
nerve conduction velocity
measures the speed impulses travel through a nerve
-
angiography
radiography of vessels with contrast
-
myelography
spinal cord/nerve roots with contrast
-
stereotaxic radiosurgery
3-dimensional coordinates
-
thalamotomy
thalamus. treats pain, involuntary movements, emotional
-
tractotomy
nerve tract in brainstem or cord
-
trephination
circular cut into skull to relieve intracranial pressure
-
vagotomy
interruption of vagus nerve (for peptic ulcer)
|
|
