thoracic duct

thoracic duct

noun Anatomy.

  1. the main trunk of the lymphatic system, passing along the spinal column in the thoracic cavity, and conveying a large amount of lymph and chyle into the venous circulation.


  1. the major duct of the lymphatic system, beginning below the diaphragm and ascending in front of the spinal column to the base of the neck


  1. The largest lymph vessel in the body, which collects lymph from the left side of the body above the diaphragm and from all parts below the diaphragm.left lymphatic duct

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