Five offices

1. The nose, eyes, lips, tongue, and ears. The Magic Pivot (灵枢 líng shū, wǔ yuè wǔ shǐ piān) states, The nose is the office of the lung, the eyes are the office of the liver, the lips are the office of the spleen, the tongue is the office of the heart, and the ears are the office of the lung.

2. Five diagnostic correspondences of colors and positions to disease. The liver governs green-blue; the heart, red; the spleen, yellow; the lung, white; the kidney, black. Disease of the liver is characterized by green-blue eyes; disease of the spleen is characterized by yellowing of the lips; disease of the heart is characterized by a short curled tongue and reddening of the checks; disease of the lung is characterized by flaring nostrils; kidney disease is characterized by blackening of the eye sockets, or black coloration of the cheeks, forehead, and face. The Magic Pivot (灵枢 líng shū, wǔ sè piān) also states, Green-blue or black is pain; yellow or red is heat; white is cold. These are the five offices.