Definition of Pericardium, parietal
Pericardium, parietal: The tough, thickened outer layer of the pericardium. The parietal pericardium loosely cloaks the heart and is attached to the central part of the diaphragm and the back of the breastbone.
Last Editorial Review: 7/1/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?