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spine |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.07 sec. |
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spine: 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. spine 1. the spinal column 2. the sharply pointed tip or outgrowth of a leaf, stem, etc. 3. Zoology a hard pointed process or structure, such as the ray of a fin, the quill of a porcupine, or the ridge on a bone 4. a ridge, esp of a hill 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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| Clinical experience and preliminary evidence suggest that thoracic spine thrust manipulation may be useful in the management of patients with neck pain. The posterior mediastinal goiter was adjacent to the trachea, and it extended into the thoracic spine and inferiorly to the level of the aorta. Los Angeles-native John Strader was traveling close to 70 mph when he lost control of his sled-like vehicle and spun six times in the air, suffering a small compression of the thoracic spine, bruising his leg and loosening his teeth. |
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