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vertebral column |
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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. |
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In their study, the researchers scrutinized the six Ichthyostega specimens that include substantial portions of the creature's vertebral column. Shockingly, the same safety refrain was heard again after the veal was found at Tokyo's Narita Airport with vertebral column in it. However, our agreement with Japan is to export beef with no vertebral column and we have failed to meet the terms of that agreement. |
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vertebral column
