<unk>  is defined as a pericardial effusion which consists of chyle. Chyle comes from the lacteals (the lymphatics draining the small intestine) via the thoracic duct.            .
Chylopericardium
Epicardium
Epicardial fat pad
Serous pericardium
Fibrous pericardium
Hemopericardium
Endocardium
Perineum