Jin and Luo designate two important types of vessels (Mai) used by Qi to circulate in the whole body: the meridians (Jing) and their collaterals (Luo). The expression Jing Luo is a generic term definiting the whole network or circuits of the meridians and their collaterals.

Acupuncture Points - Meridians in the Dog by L Janssens and J Still This atlas has been reworked with more emphasis on the educational aspects and with more drawings and more depth than the first edition. A total of seven charts presented in a hard-backed folder for protection this is a helpful tool to every canine acupuncturist....

The Zang-Fu organs and Meridian-Collaterals are the core concepts of acupuncture theory. lt is upon these concepts that the differentiation of syndrome diagnosis and treatment is based.