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Home > Health Library > Sacrum
The sacrum is a large triangular bone at the bottom of the spine. It is inserted like a wedge between the two hipbones.
The sacrum is shorter and wider in women than in men.
Current as of: November 15, 2021
Author: Healthwise Staff
Medical Review:Anne C. Poinier MD - Internal Medicine & Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine
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