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Spinous process

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Each presacral vertebra has a spinous process projecting posteriorly or posteroinferiorly in the median plane. It is formed at the junction of two lamina on either side of a given vertebral arch. It is attached to an array of ligaments and muscles which posteriorly reinforce the spine.

Relations:

  • anterior: vertebral foramen, lamina
  • posterior: supraspinous ligament, extrinsic back muscles
  • lateral: intrinsic back muscles
  • superior & inferior: interspinous ligament

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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