THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The pericardial cavity is the space between the parietal and the visceral layers. Two regions of the pericardial cavity have special names. The transverse sinus of the pericardial cavity lies between the ascending aorta and the pulmonary trunk in front and the venae cavae and the atria behind.

Detailed explanation-2: -Your pericardial cavity is the space between the two layers of your serous pericardium. This space holds your pericardial fluid.

Detailed explanation-3: -The pericardial space or cavity is the fluid-filled space between the parietal and visceral layers of the serous pericardium. In normal conditions, it contains only a small amount of serous pericardial fluid, usually 15-20 mL.