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Medical Definition of Hemithoracic duct
1. An accessory thoracic duct, usually emptying into the thoracic duct but sometimes discharging independently into the right subclavian vein. Synonym: ductus hemithoracicus. (05 Mar 2000)
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1. An accessory thoracic duct, usually emptying into the thoracic duct but sometimes discharging independently into the right subclavian vein. Synonym: ductus hemithoracicus. (05 Mar 2000)