Rolandic Anatomy
Intermediate Sacral Crest
AI-powered interactive skeletal anatomy for medical and surgical education
A bumpy ridge on the back of the sacrum. It is a landmark for the "sacral foramina"; surgeons use it to guide the placement of "sacral nerve stimulators" for bladder control.
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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.