| thoracic duct n. The main duct of the lymphatic system, ascending through the thoracic cavity in front of the spinal column and discharging lymph and chyle into the blood through the left subclavian vein. |
thoracic duct
n
(Life Sciences & Allied Applications / Anatomy) 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
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  thoracic duct - the major duct of the lymphatic systemlymphatic system, systema lymphaticum - the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body lymph vessel, lymphatic vessel - a vascular duct that carries lymph which is eventually added to the venous blood circulation |
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