What Is the Line in the Accompanying Figure Used to Represent

question 8

Essay

What is the line in the accompanying figure used to represent?

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Definitions:

Epicardium

The outermost layer of the heart wall, consisting of an epithelial layer and connective tissue, which provides lubrication and protection for the heart.

Fibrous Pericardium

The tough, outer layer of the pericardium that encloses the heart and helps protect it.

Pulmonary Arteries

The large blood vessels that carry deoxygenated blood from the heart to the lungs for oxygenation.

Pulmonary Veins

The blood vessels that carry oxygenated blood from the lungs back to the left atrium of the heart.