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Medical Terminology
Chapter 4
| Term | Definition |
|---|---|
| esthesi/o | sensation |
| gli/o | glue |
| gnos/o | knowing |
| hypn/o | sleep |
| kinesi/o | moving |
| lex/o | word or phrase |
| myel/o | spinal cord or bone marrow |
| narc/o | stupor or sleep |
| phas/o | speech |
| phor/o | carry or bear |
| phren/o | mind |
| somat/o | body |
| somn/o | sleep |
| spondyl/o | vertebrae |
| stere/o | three-dimensional or solid |
| tax/o | order or coordination |
| thym/o | mind |
| top/o | place |
| -asthenia | weakness |
| -mania | condition of abnormal impulse toward |
| -paresis | slight paralysis |
| frontal lobe | responsible for voluntary muscle movement and personality |
| parietal lobe | responsible for sensations such as pain, temperature, and touch |
| temporal lobe | responsible for hearing, taste, and smell |
| occipital lobe | responsible for vision |
| cerebral cortex | responsible for higher mental functions |
| thalamus | responsible for relaying sensory information to the cortex |
| diencephalon | link between the cerebral hemispheres and the brainstem; responsible for directing sensory information to the cortex |
| gyri | convolutions (mounds) of the cerebral hemispheres |
| sulci | shallow grooves that separate gyri |
| fissures | deep grooves in the brain |
| ventricles | series of interconnected cavities within the cerebral hemispheres and brainstem filled with cerebrospinal fluid (CSF) |
| cranial nerves | 12 pairs of nerves arising from the brain |
| spinal nerves | 31 pairs of nerves arising from the spinal cord |
| sensory nerves | also called afferent nerves |
| motor nerves | also called efferent nerves |