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・ Thordisa
・ Thore A. Nistad
・ Thore Boye
・ Thore Christian Elias Fries
・ Thore Heramb
・ Thore Horve
・ Thore Langfeldt
・ Thore Michelsen
・ Thoracic aorta
・ Thoracic aorta injury
・ Thoracic aortic aneurysm
・ Thoracic aortic plexus
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Thoracic duct
・ Thoracic ganglia
・ Thoracic inlet
・ Thoracic insufficiency syndrome
・ Thoracic limb
・ Thoracic lymph nodes
・ Thoracic outlet
・ Thoracic outlet syndrome
・ Thoracic spinal nerve 1
・ Thoracic spinal nerve 10
・ Thoracic spinal nerve 11
・ Thoracic spinal nerve 12
・ Thoracic spinal nerve 2
・ Thoracic spinal nerve 3
・ Thoracic spinal nerve 4


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Thoracic duct : ウィキペディア英語版
Thoracic duct

In human anatomy, the thoracic duct is the largest lymphatic vessel of the lymphatic system. It is also known as the ''left lymphatic duct'', ''alimentary duct'', ''chyliferous duct'', and ''Van Hoorne's canal''.
In adults, the thoracic duct is typically 38–45 cm in length and has an average diameter of about 5 mm. The vessel usually starts from the level of the twelfth thoracic vertebrae (T12) and extends to the root of the neck. It drains into the systemic (blood) circulation at the left subclavian vein. It also collects most of the lymph in the body other than from the right thorax, arm, head and neck which are drained by the right lymphatic duct.
==Structure==
The lymph duct originates in the abdomen from the confluence of the right and left lumbar trunks and the intestinal trunk, forming a significant pathway upward called the cisterna chyli. It traverses the diaphragm at the aortic aperture and ascends the superior and posterior mediastinum between the descending thoracic aorta (to its left) and the azygos vein (to its right). The duct extends vertically in the chest and curves posteriorly to the left carotid artery and left internal jugular vein at the T5 vertebral level to empty into the junction of the left subclavian vein and left jugular vein, below the clavicle, near the shoulders.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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