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
Down Where the Spirit Meets the Bone are fully aware of wounds and pitfalls, but they’re more likely to be looking back or looking outward." Tom Moon writes at NPR, "She's always been able to conjure brokenhearted misery from a single note; now, she can ramp up to fury that quickly, too. And resignation. And let's face it: In terms of pure expression, no singer in popular music can touch Williams when she's calling from the lonely outskirts of Despairville. She sounds like it's her permanent residence, that place down deep where the spirit meets the bone." The album debuted on the Billboard 200 at number 13