thoracic duct


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Related to thoracic duct: right lymphatic duct, thoracic duct ligation

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
(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

thorac′ic duct′


n.
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.
[1720–30]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thoracic duct - the major duct of the lymphatic systemthoracic duct - the major duct of the lymphatic system
lymphatic 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
References in periodicals archive ?
In the present case, pericardiectomy combined with thoracic duct ligation and pleurodesis cured chylous ascites and chylothorax caused by constrictive pericarditis, which has never been previously described.
Perhaps the most celebrated lecturer associated with the university's heyday of anatomical research, the Danish physician and theologian, Thomas Bartholin (1616-1680), is primarily renowned for his discovery of the lymphatic system and for his detailed description of the thoracic duct.
Lymphoedema is a condition of localised fluid retention and tissue swelling caused by a compromised lymphatic system, which normally returns interstitial fluid to the thoracic duct, then the bloodstream.
1,2) They most commonly occur on the left side and are less likely on the right side, where the right lymphatic duct drainage occurs or rarely where the thoracic duct terminates into the right internal jugular vein.
The thoracic duct passes through the aortic hiatus of the diaphragm to enter the posterior mediastinum.
Emboli can flow to regional lymphatics, then to the thoracic duct and arrive in the head and neck region by retrograde flow through intercostal, mediastinal, or supraclavicular lymph vessels.
Synopsis: Lymphedema is a condition of localized fluid retention and tissue swelling caused by a compromised lymphatic system, which normally returns interstitial fluid to the thoracic duct, then the bloodstream.
7) Other complications include superior vena cava syndrome, septic thrombophlebitis, thoracic duct obstruction, and brachial plexopathy.
1] A leakage of lymphatic fluid from the thoracic duct or its tributaries is responsible for the presence of chyle in the pleural cavity.
sup][8] Central venous catheterization if required should be inserted in the left internal jugular vein to gain direct access to the right atrium and avoid injury to the thoracic duct.
It contains the thoracic part of the descending aorta, the azygos and the two hemiazygos veins, the vagus and splanchnic nerves, the esophagus, the thoracic duct, and some lymph glands.
Earlier reports of increased rates of thoracic duct flow and radio-isotope appearance in the thoracic duct following ureteral obstruction further support the re-absorption concept.