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 medulla spinalis
 
 
 
       
        
         | 1. | (noun) 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 |  
	 |  | Synonyms: spinal cord |  
	 |  | Related Words: neural structure |  | 
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