“In traditional Chinese Medicine, meridians refer to a dynamic system of energy works that allows energy to flow inside the body. This system consists of 14 key energy channels connecting that various internal organ systems and interacting with the external environment to maintain an equilibrium contributing to health and well-being.”
“Evidence supporting the existence of a meridian-like structure has been provided by advanced body imaging techniques (Yang, Xie, Hu, Chen & Li, 2017).”
Cecelia Lai Wan Chan and Candy Hio Cheng Fong, “Meridian Tapping” in Techniques for Grief Therapy (edited by Robert A. Neimeyer).