Sacrum The number of sacral vertebrae varies slightly. For instance, the S1S5 vertebrae of a horse will fuse, the S1S3 of a dog will fuse, and four pelvic vertebrae of a rat will fuse between the lumbar and the caudal vertebrae of its tail. The "Stegosaurus" dinosaur had a greatly enlarged neural canal in the sacrum, characterized as a "posterior brain case”. The sacrum is a complex structure providing support for the spine and accommodation for the spinal nerves. It also articulates with the hip bones. The sacrum has a base, an apex, and three surfaces – a pelvic, dorsal and
Traditional Chinese medicines derived from the human body infectious disease is really not pertinent "because bone would be ineffective in the treatment of any infectious process." Prescription 52.28.1 (tr. Luo 2003: 4180-4181) "Tianlingaisan" "Powder of human Skull Top", which is said to be "good for killing worms in a consumptive disease", mentions seeing a "chuanshi". First, take "one piece of human skull top two fingers wide, simmer the drug with Tanxiang/sandalwood, then stir-fry with Su/butter. Then chant incantations." Fifteen herbal ingredients are added with the skull bone into a decoction, which will cause the patient to defecate "worms of strange shapes". Cooper & Sivin (tr. 1973: 250) translate