venipuncture
noun
                                                                                                                            
                                                            ve·ni·punc·ture
                    
                                                                                                              
                                                                                                                                  ˈvē-nə-ˌpəŋ(k)-chər 
                                                                                                                                  ˈve- 
                                                      
                                                          
            
                                
              
          
                                                      : surgical puncture of a vein especially for the withdrawal of blood or for intravenous medication                                      
                
                    
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  Merriam-Webster unabridged




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