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Which surface of the sacrum is vertically ridged?
What is the name of the large anterior projection of the base of the sacrum?
Which bones does the sacrum articulate with to form the sacroiliac joints?
Which surface of the sacrum is relatively smooth, except for four transverse ridges located between the bodies of vertebrae S1-S5?
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What is the name of the rough articular surface on the lateral aspects of the sacrum, where it articulates with the ilium to form the sacroiliac joints?
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What is the name of the fused expansions of the transverse processes as well as the vestiges of the sacral ribs in the lateral parts of the sacrum?
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Which part of the sacrum features a single median sacral crest and bilateral/paired intermediate and lateral sacral crests?
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What is the name of the inferior termination of the bilateral/paired intermediate crests in the sacrum?
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What passes through the vertebral canal formed by the fused sacral vertebrae in the sacrum?
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Which part of the sacrum features the sacral horns and four posterior sacral foramina?
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What is the name of the smooth surface on the pelvic side of the sacrum, except for four transverse ridges located between the bodies of vertebrae S1-S5?
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What is the name of the joint formed between the apex of the sacrum and the base of the coccyx?
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