pericardium
noun/ˌperiˈkɑːdiəm/
/ˌperiˈkɑːrdiəm/
(plural pericardia
(anatomy)/ˌperiˈkɑːdiə/
/ˌperiˈkɑːrdiə/
)- the membrane (= thin layer) that surrounds the heartTopics Bodyc2Word Originlate Middle English: modern Latin, from Greek perikardion, from peri ‘around’ + kardia ‘heart’.
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pericardium