Adjective
Of or pertaining to pericardium; situated around the heart.
Source: Webster's dictionarypericardial space Source: Internet
During diastole, blood flows through the ostia from the pericardial sinus (the cavity containing the heart) into the heart. Source: Internet
Mesoderm cells of the parietal layer form the mesothelial membranes or serous membranes which line the peritoneal, pleural and pericardial cavities. Source: Internet
Invertebrates The tube-like heart (green) of the mosquito Anopheles gambiae extends horizontally across the body, interlinked with the diamond-shaped wing muscles (also green) and surrounded by pericardial cells (red). Source: Internet
Disorders of the pericardium Posterior wall of the pericardial sac. Source: Internet
In this way, the various organs are supplied with nutrients before the blood finally returns to the pericardial sinus via the perforations in the diaphragm. Source: Internet