[Anatomical knowledge in Yi Xue Tong Zong].

Ancient anatomy made slow progress after it experienced two peaks of development in the Song dynasty. He Jian, a military doctor of the Ming Dynasty, observed diaphragm, heart, liver, gallbladder, bladder, throat and other human organs through autopsy. He wrote a book Yi Xue Tong Zong with his discoveries which were beyond those of his predecessors and also of WANG Qing-ren, a famous medical scholar of the Qing Dynasty, who was born 300 years later.