pericardium

== English == === Etymology === Learned borrowing from Ancient Greek περικάρδιον (perikárdion). === Pronunciation === IPA(key): /ˌpɛɹɪˈkɑː(ɹ)di.əm/ === Noun === pericardium (plural pericardia or pericardiums) (anatomy, cardiology) A serous membrane that surrounds the heart allowing it to contract. ==== Synonyms ==== heart sac theca cordis ==== Derived terms ==== ==== Related terms ==== pericardiac pericardial pericarditis ==== Translations ==== ==== See also ==== endocardium myocardium