Transmission of disease through the 3 Yin channels, Chinese

Woodblock illustration from an edition of 1592 (20th year of Wanli reign period of the Ming dynasty). The image represents the back view of the torso. It shows in diagram form the sequence of transmission and transformation of pathologies through the three Yin channels, from below to above, i.e. from the spleen channel of foot taiyin, to the kidney channel of foot shaoyin, and thence to the liver channel of foot jueyin.

IMAGE TITLE: Illustration of the progression of Yin [channel] pathologies of the interior from below to above. OTHER LETTERING: Surface; interior; taiyang (Great Yang); yangming (Yang Brightness); shaoyin (Lesser Yin); bodily integument (quqiao); spleen [channel of] foot taiyin 4; kidney [channel of] foot shaoyin 5; liver [channel of] foot jueyin 6; lung [channel of] hand taiyin; heart [channel of] hand shaoyin; Heart Envelope tract of hand jueyin; this is the gall bladder [channel of] foot shaoyang; lung cavity