Sacrum bodies are seen to be united at their circumferences by bone, wide intervals being left centrally, which, in the fresh state, are filled by the intervertebral discs. The dorsal surface of the sacrum is convex and narrower than the pelvic surface. In the middle line is the median sacral crest, surmounted by three or four tubercles—the rudimentary spinous processes of the upper three or four sacral vertebrae. On either side of the median sacral crest is a shallow sacral groove, which gives origin to the multifidus muscle. The floor of the groove is formed by the united laminae of the
Traditional Chinese medicines derived from the human body pharmacopoeias continue to list human drugs. Within their sample of 8 human drugs, prescriptions mention two dozen symbolic ritual procedures (1973: 265). Sympathetic magic, for example, could explain using blood to treat blood loss (52.17.3 above) and attempting to treat bone damage with bone (52.27.1). Li Shizhen quotes the (9th century) "Miscellaneous Morsels from Youyang". The book "Youyang Zaju": Once a military man in Jingzhou had an injured tibia. Doctor Zhang Qizheng treated him with a kind of medicinal wine, which was taken orally. A small segment of broken bone in the wounded tibia was taken out and a kind