PERICARDIAL SAC • FREE-TRANSLATOR.COM • Definition of Pericardial sac

... tissue, and the two pericardial surfaces become permanently grown together, causing the so-called adherent pericarditis. These adhesions between the two surfaces of the pericardium may be general throughout the entire pericardial sac, or they may be limited to some one or more parts of the pericardium. Perhaps one of the most frequent points of adhesion is the anterior part of the pericardium, while the apex is the part most likely to be free, even when other parts ...

— DISTURBANCES OF THE HEART • OLIVER T. OSBORNE, A.M., M.D.