Sacrum: Five fused Vertebrae forming a triangle-shaped structure at the back of the Pelvis. It articulates superiorly with the Lumbar Vertebrae, inferiorly with the Coccyx, and anteriorly with the Ilium of the Pelvis. The sacrum strengthens and stabilizes the Pelvis.1

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Sacrum: The triangular bone, made up of 5 fused bones of the spine, located in the lower area of the spine between the fifth lumbar vertebra and the coccyx.2

Categories for Sacrum

Category of Sacrum:

  • Skeletal System Part
  • Body Region

Anatomy Articles

Read about these related anatomy topics:

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  1. Source: MeSH (U.S. National Library of Medicine)
  2. Source: NCI Thesaurus
  3. ibid.

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