panarteritis
noun
                                                                                                                            
                                                            pan·ar·ter·i·tis
                    
                                                                                                              
                                                                                                                                  ˌpan-ˌärt-ə-ˈrīt-əs  
                                                      
                                                          
            
                                
              
          
                                                      : inflammation involving all coats of an artery                                      
                
                    
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  Merriam-Webster unabridged




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