Chinese woodcut: Snake segment boil

Woodcut illustrating the 17th century Chinese medical text Yangyi daquan (Great Compendium of The Medicine of Sores) Gu Shicheng, from an edition published in 1901 (27th year of the Guangxu reign period of the Qing dynasty). The illustration shows the disease location and characteristics of shejie ding (snake segment boil). This is a type of deep-rooted boil that occurs on the finger joints.

PICTURE TITLE: Shejie ding (snake segment boil). OTHER LETTERING: Shejie ding (snake segment boil)