part of serous pericardium parietal serous pericardium MA:0000483 NCIT:C94500 EHDAA:5378 parietal layer of serous pericardium EHDAA:3422 pericardial sac Wikipedia:Parietal_pericardium FMA:9870 parietal pericardium VHOG:0000537 SCTID:243956000 Parietal serous membrane which is part of the pericardium and forms the outer layer of the pericardial sac. lamina parietalis pericardii lamina parietalis (pericardii serosum) EMAPA:19031 parietal serous membrane