Bi: 1) obstruction of vital energy and blood flow; 2) a variety of morbid conditions caused by pathogenic factors blocking certain parts of the body; 3) particularly refers to the three bi, arthritis due to wind, arthritis due to cold, and arthritis due to dampness.
Gubi (heumatism): It is caused by wind, cold, and dampness.
Jinbi: syndrome due to stagnation of wind, cold, and dampness in the tendons.

1. The Yellow Emperor asks, "What causes the evil bi to remain in the vital organs?"
2. Qi Bo answers, "The five zang and the fivebody constituents (tendon, vessels, muscles, hair and skin, and bones) are interrelated, mutually influenced, and are connected by the meridians. If the pathogenic factors in the five body constituents can't be eliminated in time, they will invade the corresponding internal organs.
3. Therefore, if the pathogenic wind attacks the patient suffering from gubi, it will remain in the kidney.
4. If the pathogenic wind attacks the patient suffering from jinbi, it will stay in the liver.
5. If the pathogenic wind attacks the patient suffering from maibi (a syndrome due to heat involving the vessels), it will stay in the heart.
6. If the pathogenic wind attacks the patient suffering from jibi (a syndrome characterized llby numbness and flaccidity), it will stay in the spleen.
7. If the patient suffering pibi (a syndrome from evil wind-cold involving the skin) is attacked by the pathogenic factors, the disease will spread to the lungs.
8. Accordingly, the various morbid condition of bi are caused by repeated attacks of the pathogenic wind, cold, and dampness.
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