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The thoracic duct drains into the left subclavian vein, [3] near its junction with the left internal jugular vein.It carries lymph (water and solutes) from the lymphatic system, as well as chylomicrons or chyle, formed in the intestines from dietary fat and lipids, allowing these to enter the bloodstream; the products of fats and lipids can then be carried by the bloodstream to the hepatic ...
The internal jugular veins join with the subclavian veins more medially to form the brachiocephalic veins. Finally, the left and right brachiocephalic veins join to form the superior vena cava, which delivers deoxygenated blood to the right atrium of the heart. [2] The jugular vein has tributaries consisting of petrosal sinus, facial, lingual ...
the right arm (via the right subclavian trunk) [1] and right side of the head and neck (via the right jugular trunk) [1] also, in some individuals, the lower lobe of the left lung. [5] All other sections of the human body are drained by the thoracic duct. [2] [6]
In over 95% of individuals, the thoracic duct ends by draining either at the venous angle, or into the internal jugular vein, or the subclavian vein, but - in the minority of cases - empties into either the brachiocephalic vein, external jugular vein, suprascapular vein, transverse cervical vein, or vertebral vein. [3]
In humans, the cisterna chyli is located posterior to the abdominal aorta on the anterior aspect of the bodies of the first and second lumbar vertebrae (L1 and L2). There it forms the beginning of the primary lymph vessel, the thoracic duct, which transports lymph and chyle from the abdomen via the aortic opening of the diaphragm up to the junction of left subclavian vein and internal jugular ...
The efferent vessels of the subclavicular group unite to form the subclavian trunk, which opens either directly into the junction of the internal jugular and subclavian veins or into the jugular lymphatic trunk; on the left side it may end in the thoracic duct.
Typically, there are two trunks - one on each side of the body. The right bronchomediastinal trunk may connect the right lymphatic duct, and the left trunk to the thoracic duct, [1] although more frequently, they open independently into the junction of the internal jugular vein and subclavian veins on their respective sides.
This vein receives the occipital occasionally, the posterior external jugular, and, near its termination, the transverse cervical, transverse scapular, and anterior jugular veins; in the substance of the parotid, a large branch of communication from the internal jugular joins it. The external jugular vein drains into the subclavian vein lateral ...