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MT Chapter 4
Term | Definition |
---|---|
Neurons | the functional units of the nervous system |
The cell body of the neuron contains the | nucleus |
central nervous system | consists of the brain and spinal cord |
peripheral nervous system | consists of nerves branching from the central nervous system to all parts of the body |
somatic nervous system | the voluntary component that allows us to consciously control movement |
autonomic nervous system | the involuntary component that regulates activities automatically |
cerebell/o | cerebellum |
cerebr/o | cerebrum |
crani/o | crani/o |
encephal/o | entire brain |
gli/o | glue |
gnos/o | knowing |
hypn/o | sleep |
narc/o | stupor or sleep |
neur/o | nerve, nerve tissue |
phor/o | carry or bear |
schiz/o | split |
stere/o | three-dimensional or solid |
tax/o | order or coordination |
top/o | place |
-lepsy | seizure |
-plegia | paralysis |
cerebrospinal | something involving both the cerebrum and spine |
ventriculostomy | creation of an opening in a ventricle |
meningitis | inflammation of the meninges |
ganglioneuroma | a neoplasm affecting ganglions |
Aphasia | a condition of language loss in which one is often unable to speak |
craniectomy | excision of part of the skull to approach the brain |
neuroplasty | surgical repair of a nerve |
anticonvulsant | drug that prevents or lessens convulsion |
apathy | a lack of interest or display of emotion |
delusion | a persistent belief that has no basis in reality |
dysphoria | a restless, dissatisfied mood |
mania | state of abnormal elation and increased activity |
neurosis | a psychologic condition in which anxiety is prominent |
dysthymia | a milder affective disorder characterized by chronic depression |
ALS | amyotrophic lateral sclerosis |
ANS | autonomic nervous system |
CSF | cerebrospinal fluid |
paraplegia | paralysis of the legs and lower trunk |
brain | portion of the central nervous system contained within the cranium |
sulci | shallow grooves that separate gyri |
fissures | deep grooves in the brain |
motor deficit | loss or impairment of muscle function |
syncope | fainting |
hyperesthesia | increased sensitivity to stimulation such as touch or pain |
astereognosis | inability to judge the form of an object by touch |
dyslexia | a condition of difficulty understanding written or spoken words or phrases |
GAD | generalized anxiety disorder |
sedative | drug that has a calming effect and quiets nervousness |
MRI | magnetic resonance imaging |