What are the 18 branches of Chinese medicine? What is mainly responsible for?

Ancient medicine is divided into sections. Since the beginning of the Yuan Dynasty, to Ming Longqing years, the Imperial Hospital is divided into thirteen sections. Since the beginning of the Yuan Dynasty, the Imperial Hospital is divided into thirteen sections, to Ming Longqing years changed to eleven sections. Yuan dynasty thirteen sections are: large square pulse, miscellaneous medical, small square pulse, wind, childbirth, eye, mouth, throat, bone, gold sores and swelling, acupuncture and moxibustion, Zhuyu, forbidden. Ming Dynasty thirteen sections are: large square pulse, small square pulse, women, sores, acupuncture, eye, mouth, throat, typhoid, bone, gold arrowhead, massage, Zhuyu. 1571, the Ming Dynasty thirteen sections to eleven sections, the addition of pox and rash section, change the sores for the surgical, bone for the bone, go to the gold arrowhead, Zhuyu and massage and other sections.