1. 
   opponens
   A name given to several muscles of the fingers or toes, by the action of which these digits are opposed to the others. The opponens muscles of the hands act at the carpometacarpal joints, cupping the palm; this enables flexion at the metacarpophalangeal joints to oppose the thumb to the small finger...
   Found op http://www.mondofacto.com/facts/dictionary?opponens
   
   
2. 
   opponens
   Type: Term Pronunciation: ŏ-pō′nens Definitions: 1. A name given to several muscles of the fingers or toes, by the action of which these digits are opposed to the others. The opponens muscles of the hands act at the carpometacarpal joints, cupping the palm; this enables flexion at th...
   Found op http://www.medilexicon.com/medicaldictionary.php?t=63053
   
   
3. 
   opponens
   Latin = placing against, opposing.
   Found op http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
   
   

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