The lymphatic vessels of the testis form both superficial and deep plexus of lymphatic vessels. 4-5 trunks move upwards in the spermatic cord to accompany the testicular blood vessels to the reach the psoas major at the lateral and pre-aortic nodes. From the nodes, efferents issue to the lumbar lymph trunk for lateral aortic nodes, and intestinal lymph duct for pre-aortic nodes. The lumbar and intestinal lymph trunks help to form the abdominal confluence of lymph ducts or the cisterna chyli. Cisterna chyli drains into thoracic duct.


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The Human Anatomy Laboratory