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Sacrum facts for kids

Kids Encyclopedia Facts
Bone: Sacrum
Sacrum, pelvic surface
Image of a male pelvis (sacrum is in center)
Latin Os sacrum

In humans, the sacrum is a large, triangular bone. It is at the bottom of the spine and the upper and back part of the pelvis.

It fits like a wedge between the two hip bones. Its upper part connects with the last lumbar vertebra, and bottom part with the coccyx (tailbone). During the first half of life these bones gradually fuse together.

The sacrum is concave facing forward, and tilted forward. The sacrum connects with four bones:

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See also

Kids robot.svg In Spanish: Sacro (hueso) para niños

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