Relationships
In TCM theory, the San Jiao is a yang organ paired with the pericardium (Xin Bao) which is the yin organ associated with it. Yang (Fu) organs are typically hollow, whereas yin (Zang) organs are more solid. The triple burner, however, is said to be primarily energetic and does not have a physical component, unlike all the other organs in TCM. In dissecting a body, one would not be able to find a structure that could be called the San Jiao.
The San Jiao's Hand-Foot partner is Dan (Gall Bladder).
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