i.e., cervical spine (neck), thoracic spine (upper and middle back), and lumbar spine (lower back). See also vertebral column. 2) Any short prominence of bone. The spines of the vertebrae protrude at the base of the back of the neck and in the middle of the back. These spines protect the spinal cord from injury from behind.

Read Also:

  • Spinocerebellar

    Pertaining to the spinal cord and the cerebellum, as in spinocerebellar ataxia (ataxia with cerebellar malfunction).

  • Spinocerebellar ataxia

    Ataxia with malfunction of the cerebellum.

  • Spinous process

    A slender projection from the back of a vertebra to which muscles and ligaments are attached.

  • Spiral CAT scan

    See Helical CT, Computed Tomography.

  • Spiral fracture

    A fracture, sometimes called a torsion fracture, in which a bone has been twisted apart.

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