What is of or pertaining to pericardium; situated around the heart. Pericardial fluid (Physiol.), a serous fluid of a pale yellow color contained in the pericardium called?

pericardial — Of or pertaining to pericardium; situated around the heart. Pericardial fluid (Physiol.), a serous fluid of a pale yellow color contained in the pericardium. (Webster's 1913.)

Sources