Assertion: pericardium | /r/HasProperty | fluid-filled sac
Facets:
Source sentences:
text: The pericardium is a fluid-filled sac that protects the heart.
text: The pericardium is the fluid filled sac that surrounds the heart and the proximal ends of the aorta, vena cava, and the pulmonary artery.
text: The pericardium is the fluid-filled sac that surrounds the heart and the proximal ends of the aorta, venae cavae, and the pulmonary artery.
text: The pericardium is the fluid-filled sac that surrounds the heart and the proximal end of the aorta, vena cava, and pulmonary artery.
text: The pericardium is the fluid-filled sac that surrounds the heart and the ends of the aorta, vena cava, and the pulmonary artery.