SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Spine anatomy. Historical anatomical artwork of a section through the spine (backbone) seen from the side (rear of spine at right). The upper part of the spine is at left, the lower at right. The section has revealed the internal space (vertebral canal) for the spinal cord (not shown). The spaces between each spinal bone (vertebra) is where discs of cartilage cushion the spine as it bends. Down centre, are unsectioned vertebrae of changing shape and size; from top: two thoracic (upper back) vertebrae; the final thoracic vertebra (like a lumbar vertebra); and two lumbar (lower back) vertebrae. Artwork from The Bones and Ligaments of the Human Body (Ed. Jones Quain, London, 1842).
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