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In human anatomy, the thoracic duct (also known as the left lymphatic duct, alimentary duct, chyliferous duct, and Van Hoorne's canal) is the larger of the two lymph ducts of the lymphatic system (the other being the right lymphatic duct). [1]
The thoracic duct extends from the twelfth thoracic vertebra to the root of the neck. The thoracic duct is formed from the abdominal confluence of the left and right lumbar lymph trunks, as well as the left and right intestinal lymph trunks between T12 and L2.
The thoracic duct is the larger of the two and responsible for lymph drainage from the entire body except for the right sides of the head and neck, the right side of the thorax, and the right upper extremity which are primarily drained by the right lymphatic duct.
The thoracic duct is the largest lymphatic vessel within the human body, and plays a key role in the lymphatic system. It is also called the left lymphatic duct or the alimentary duct.
Explore the largest lymph vessel in the body, the thoracic duct. Learn its location, drainage, and clinical correlates.
Thoracic duct, in mammalian anatomy, a principal channel for lymph. From about the level of the small of the back it runs up through the body, close in front of the backbone, to the base of the neck, where it opens into a blood vessel, at the point at which the left subclavian vein and the left.
The thoracic duct is the largest lymphatic vessel in the human body, playing a crucial role in returning lymph to the bloodstream and maintaining fluid balance, fat absorption, and immune function. Below is a detailed breakdown of the various functions of the thoracic duct.
The thoracic duct is the largest and most important lymphatic channel of the body (see Figs. 6-11 and 6-13). The thoracic duct drains the lower extremities, pelvis, abdomen, left side of the thorax, left upper extremity, and left side of the head and neck.
• Describe clinical importance, embryologic origin, and typical course of the thoracic duct. • Depict common/lesser-known thoracic duct anatomic variants and discuss their clinical significance. • Outline the common causes of thoracic duct injury and indications for embolization.
The thoracic duct is a major anatomic structure of the upper part of the abdomen, chest, and the lower part of the neck. This article reviews the embryology, anatomy, and multiple variations of the thoracic duct.