Spinous process

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Spinous Process

The Spinous Process (pronunciation: /ˈspaɪnəs ˈprɒses/) is a bony projection off the posterior (back) of each vertebra.

Etymology

The term "spinous process" is derived from the Latin "spina" meaning "thorn" and the English "process" meaning "a natural outgrowth".

Anatomy

The spinous process is part of the vertebral arch and extends from the back of the vertebral body. It serves as a point of attachment for muscles and ligaments of the spine. The spinous processes are the ridges that can be felt through the skin along the back of the spine.

Related Terms

  • Vertebra: One of the series of small bones forming the backbone, having several projections for articulation and muscle attachment, and a hole through which the spinal cord passes.
  • Vertebral Arch: The posterior part of a vertebra that encloses the vertebral foramen.
  • Ligament: A short band of tough, flexible, fibrous connective tissue that connects two bones or cartilages or holds together a joint.
  • Muscle: A band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.

See Also

External links

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