n 1 a  :  a group of body organs that together perform one or more vital functions - see CIRCULATORY SYSTEM NERVOUS SYSTEM REPRODUCTIVE SYSTEM RESPIRATORY SYSTEM   b  :  the body considered as a functional unit  2  :  a manner of classifying, symbolizing, or schematizing <a taxonomic >  .
 
 
 
Similar sounding terms:  cys·to·ma 
 
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