Oblique vein of the left atrium
Encyclopedia
The Oblique Vein of the Left Atrium (oblique vein of Marshall) is a small vessel which descends obliquely on the back of the left atrium
and ends in the coronary sinus
near its left extremity; it is continuous above with the ligament of the left vena cava
(lig. venæ cavæ sinistræ vestigial fold of Marshall), and the two structures form the remnant of the left Cuvierian duct.
Left atrium
The left atrium is one of the four chambers in the human heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the left ventricle, via the mitral valve.-Foramen ovale:...
and ends in the coronary sinus
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in all mammals, including humans...
near its left extremity; it is continuous above with the ligament of the left vena cava
Ligament of the left vena cava
Between the left pulmonary artery and subjacent pulmonary vein is a triangular fold of the serous pericardium; it is known as the ligament of the left vena cava ....
(lig. venæ cavæ sinistræ vestigial fold of Marshall), and the two structures form the remnant of the left Cuvierian duct.