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Bony Pelvis
Sacrum, ilium, ischium, pubis with iliac crest landmarks — anatomy for OB/cesarean positioning, hip surgery, sacral hiatus identification (caudal block).
Source: Z-Anatomy · License: CC BY-SA 4.0 · 5,922 polys · 0.3 MB
Education only — geometry is anatomically representative, not patient-specific. Don't use for procedural planning on real patients.