Rolandic Anatomy
Groove for Transverse Sinus
AI-powered interactive venous anatomy for medical and surgical education
A wide groove on the internal occipital and parietal bones. This sinus carries most of the blood away from the brain; a blockage (thrombosis) here causes severe headaches and vision changes.
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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.