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thoracic duct

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noun Anatomy.

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.

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Origin of thoracic duct

First recorded in 1720–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use thoracic duct in a sentence

British Dictionary definitions for thoracic duct

thoracic duct

noun

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for thoracic duct

thoracic duct

n.

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
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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