Sacral

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Sacral

Sacral (pronunciation: /ˈseɪkrəl/) refers to the region of the body associated with the sacrum, the large, triangular bone at the base of the spine that forms by the fusing of sacral vertebrae S1–S5.

Etymology

The term "sacral" originates from the Latin word "sacrum", which was translated in the early 18th century to mean "sacred bone". The sacrum was considered sacred or powerful due to its location and its importance in the structure of the human body.

Related Terms

  • Sacrum: The large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity, where it is inserted like a wedge between the two hip bones.
  • Sacral vertebrae: The five fused vertebrae located just below the lumbar vertebrae and connected to the pelvis.
  • Sacral plexus: A nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg, the entire foot, and part of the pelvis.
  • Sacral canal: The continuation of the vertebral canal runs throughout the majority of the sacral bone.
  • Sacral hiatus: The inferior opening of the sacral canal.
  • Sacral foramina: The openings on the anterior and posterior surfaces of the sacrum which transmit the anterior and posterior rami of the sacral spinal nerves.

External links

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