Question

which of the following layers of the pericardium is the outermost portion of the pericardium? parietal pericardium pericardial cavity visceral pericardium serous pericardium fibrous pericardium

Explanation:

The pericardium has two main parts: the fibrous pericardium (outermost tough layer) and the serous pericardium (inner double - layered membrane). The serous pericardium has parietal (lines the fibrous pericardium) and visceral (covers the heart) layers. The pericardial cavity is the space between parietal and visceral serous pericardium. So, the outermost layer is the fibrous pericardium.

Answer:

Fibrous pericardium