part of a nerve cell that contains the nucleus
cell body
encephal/o
brain
hereditary disorder marked by degenerative changes in the cerebrum leading to abrupt involuntary movements and mental deterioration
Huntington's disease
use of a specialized instrument to locate and treat targets in the brain
stereotactic radiosurgery
-paresis
weakness
Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory.
cerebrum
my/o
muscle
destruction of the myelin sheath on neurons in the CNS and its replacement by plaques of sclerotic (hard) tissue
multiple sclerosis
magnetic field and pulses of radiowave energy create images of the brain and spinal cord
MRI (magnetic resonance imaging)
-plegia
paralysis
brain and spinal cord
CNS
thalam/o
thalamus
involuntary, spasmodic, twitching movements; uncontrollable vocal sounds; and inappropriate words
Tourette syndrome
computerized x-ray technique that generates multiple images of the brain and spinal cord
CT of the brain
-sthenia
strength
glial cell that forms the myelin sheath covering axons
oligodendroglial cell
alges/o, -algesia
sensitivity to pain
viral infection affecting peripheral nerves
herpes zoster (shingles)
samples of CSF are examined
cerebrospinal fluid analysis
-praxia
action
nerves outside the brain and spinal cord; cranial, spinal, and autonomic nerves
Peripheral Nervous System (PNS)
radicul/o
nerve root (of spinal nerves)
chronic brain disorder characterized by recurrent seizure activity
epilepsy
CSF is withdrawn from between two lumbar vertebrae for analysis
lumbar puncture (LP)
-phasia
speech