hematopericardium

noun
he·​ma·​to·​peri·​car·​di·​um
variants: or chiefly British haematopericardium \ hi-​ˌmat-​ə-​ˌper-​ə-​ˈkärd-​ē-​əm How to pronounce haematopericardium (audio) , ˌhē-​mət-​ō-​ How to pronounce haematopericardium (audio) \
plural hematopericardia\ -​ē-​ə How to pronounce hematopericardia (audio) \

Medical Definition of hematopericardium