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
What's Bred in the Bone "The Lyre of Orpheus". It is also connected to earlier novels; when Cornish is at school in Toronto, one of his teachers is Dunstan Ramsay from the Deptford Trilogy. There are many parallels to be found in W. Somerset Maugham's Of Human Bondage. What's Bred in the Bone What's Bred in the Bone is the second novel in the Canadian writer Robertson Davies' Cornish Trilogy. It is the life story of Francis or Frank Cornish, whose death and will were the starting point for the first novel, "The Rebel Angels". After a brief framing scene among characters from "The Rebel