The Thoracic Duct is the largest lymphatic vessel in the human body. It is responsible for transporting lymph, a fluid containing white blood cells and other substances, from the lower body and the left side of the head, neck, and chest back into the bloodstream.
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| File Name | Thoracic-Duct.pptx |
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| Number of Slides | 26 |
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Thoracic Duct PPT Summary
- The Thoracic Duct originates from the cisterna chyli in the abdomen, ascends through the thorax, and terminates at the junction of the left internal jugular and subclavian veins.
- It drains lymph from most of the body, except the right upper quadrant, which is drained by the right lymphatic duct.
- The duct passes through the posterior and superior mediastinum and crosses to the left at the T5 vertebra before reaching the root of the neck.
- Major tributaries include the left jugular, subclavian, and broncho-mediastinal trunks, draining lymph from the head, neck, upper limb, and thoracic structures.
- Chylothorax can be caused by injuries to the Thoracic Duct, such as during surgery, while filarial infections can lead to obstructions like chyluria and hydrocele.
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