TCM Overview
The kidney (Shen) is a Zang organ meaning it is a Yin organ. The other Yin, or Zang, organs are the lungs (Fei), liver (Gan), spleen (Pi), and heart (Xin). Sometimes the pericardium (Xin Bao) is included. Yin organs store, secrete, make, and transform essence, blood, spirit, Qi, and fluids.
Read more about this topic: Kidney (Chinese Medicine)