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vertebral column |
Also found in: Medical, Wikipedia, Hutchinson | 0.04 sec. |
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vertebral column: see spinal column spinal column, bony column forming the main structural support of the skeleton of humans and other vertebrates, also known as the vertebral column or backbone. It consists of segments known as vertebrae linked by intervertebral disks and held together by ligaments. ..... Click the link for more information. . vertebral columnor spinal column or spine or backboneFlexible column extending the length of the torso. In humans, it consists of 32–34 vertebrae, with different shapes and functions in each of five regions: 7 cervical, in the neck (including the atlas and axis, modified for free movement of the skull); 12 thoracic, in the chest; 5 lumbar, in the lower back; 5 sacral (fused into the sacrum, part of the pelvic girdle); and 3 to 5 coccygeal (vestigial tailbones fused into the coccyx). The body of each vertebra is separated from its neighbours by cushioning intervertebral disks of cartilage. Behind the body is a Y-shaped vertebral (neural) arch with structures extending up and down to form joints with the adjacent vertebrae and to the back and sides to provide attachment points for muscles and ligaments. The spine supports the torso and protects the spinal cord. vertebral column [′vərd·ə·brəl ′käl·əm] (anatomy) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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That's right, the very posture your mother said was bad for you actually may be beneficial to the health of the human spine, and where better to introduce this technology than the place most people spend a bulk of their seated time in an uncompromising "proper" position? Using a piece of Romex (residential wiring), show how a car seat or the human spine behaves when bent or twisted. During a tour of the 12,000-square-foot studio space, Shaheen points out a large wooden panel with small boxes containing various elements from the film, including a computer circuit board, an illustration of a human spine and maps. |
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