Chart of the three hand yin channels, Chinese woodcut

Channel chart, woodcut illustration from Cai ai bianyi (The Mugwort Gatherer's Companion), published in 1805 (10th year of the Jiaqing reign period of the Qing dynasty). In this image, the paths of the three hand yin channels on the inner aspect of the hand and arm are represented by lines on a schematic outline drawing. From left to right they are the heart channel of hand shaoyin, the Heart Envelope channel of hand jueyin and the lung channel of hand taiyin.

Picture title: Chart of the inner aspect of the hand and arm. Other lettering: Hand shaoyin; hand jueyin; hand taiyin