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the series of vertebrae in a vertebrate animal forming the axis of the skeleton and protecting the spinal cord; spine; backbone.
spinal column
a series of contiguous or interconnecting bony or cartilaginous segments that surround and protect the spinal cord Also called spine, vertebral column, rachis Nontechnical name backbone

spinal column n.
The series of articulated vertebrae, separated by intervertebral disks and held together by muscles and tendons, that extends from the cranium to the coccyx, encasing the spinal cord and forming the supporting axis of the body. Also called backbone, rachis, spine, vertebral column.
spinal column
See vertebral column.


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  • Spinal-cord

    noun 1. the cord of nerve tissue extending through the spinal canal of the spinal column. noun 1. the thick cord of nerve tissue within the spinal canal, which in man gives rise to 31 pairs of spinal nerves, and together with the brain forms the central nervous system spinal cord n. The thick, whitish […]

  • Spinal curvature

    spinal curvature n. Any of several deformities characterized by abnormal curvature of the spine, such as kyphosis or scoliosis.

  • Spinal decompression

    spinal decompression n. The relief of pressure upon the spinal cord as caused by a tumor, cyst, hematoma, or bone, through surgery.

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