... of the neck, back, and loins, differ somewhat in size and shape, although they all possess the same constituent parts; thus, A, in each, represents the body of the vertebrae; B, the articulating processes, by which each is joined to its fellow, above and below it; C, the spinous process, or that part of the vertebrae, which forms the ridge to be felt, on pressure, the whole length of the centre of the back. The back bone receives its name, spine, or spinal column, from these ... — A Treatise on Domestic Economy - For the Use of Young Ladies at Home and at School • Catherine Esther Beecher
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