Rolandic Anatomy
Pterygoid Canal
AI-powered interactive skeletal anatomy for medical and surgical education
A tiny tunnel in the skull. It carries the "Vidian Nerve," which controls tears and a runny nose; in severe chronic allergies, a surgeon can "burn" the nerve inside this canal to stop the nose from running (Vidian Neurectomy).
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Educational content only. Not medical advice. For clinical decisions, consult authoritative sources and qualified clinicians.