Rolandic Anatomy
Groove for Occipital Sinus
AI-powered interactive venous anatomy for medical and surgical education
A groove along the internal occipital crest. This sinus is a surgical landmark; neurosurgeons must be careful when opening the dura in the midline of the posterior fossa to avoid it.
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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.