It is formed by the junction between the left internal jugular vein and the left subclavian vein. It is where the thoracic duct ends and where it flows into the venous system, with the lymph it contains.
It is formed by the junction between the left internal jugular vein and the left subclavian vein. It is where the thoracic duct ends and where it flows into the venous system, with the lymph it contains.