Osteology

Sacrum, posterior view

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Image #209-1

Osteology

Sacrum, posterior view

1. Base
2. Mamillary process
3. Lateral part
4. Articular surface
5. Posterior sacral foramen (pelvic sacral foramen in background)
6. Intermediate sacral crest
7. Sacral cornu (horn)
8. Apex
9. Sacral canal
10. Superior articular process
11. Sacral tuberosity
12. Accessory articular facet (of sacroiliac joint)
13. Median sacral crest
14. Lateral sacral crest
15. Sacral hiatus