Lumbar Trunk
by ![Tim Taylor]()
Written by
Tim Taylor
Anatomy & Physiology Senior Writer
Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.
Last updated: May 5th, 2025
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The lumbar trunk is one of the six lymphatic trunks. These trunks drain lymph from the larger areas of the body, and they are named for the areas that they serve. The lumbar trunk drains lymph from the legs, lower abdominal wall, and the pelvic organs.
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