Definition
The pericardial veins are small vessels that drain blood from the pericardium, the sac surrounding the heart. Think of them as tiny plumbing lines removing used fluids from around your heart. They empty into larger veins, ultimately returning blood to the general circulation. These veins ensure the heart has a clean and stable environment to function in. They are part of the intricate network that keeps your heart pumping smoothly. Like taking out the trash, they keep things tidy. Without them, waste products would build up.