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 WordNet Dictionary |
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| | Definition: | | [n] a major part of the central nervous system which conducts sensory and motor nerve impulses to and from the brain; a long tube-like structure extending from the base of the brain through the vertebral canal to the upper lumbar region |
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| | Synonyms: | | medulla spinalis |
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| | See Also: | | central nervous system, cerebrospinal fluid, CNS, funiculus, Golgi cell, Golgi's cell, neural structure, spinal fluid, spinal vein, systema nervosum centrale, vena spinalis |
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| Medical Dictionary |
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| | Definition: | | A cord-like bundle of nerves that extends from the base of the brain to the small of the back. |
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| Biology Dictionary |
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| | Definition: | | The line of nerve tissue which runs down the dorsal side (the top side; the back side in humans) of all vertebrate animals, from the brain to the tail, usually through a string of skeletal material called vertebrae. |
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