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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 |