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Sources of Head Pain ⢠Intracranial structures: ⢠Cerebral and dural arteries and veins ⢠Dura matter at base of skull ⢠Venous sinuses ⢠Extracranial structures: ⢠⢠⢠⢠Cervical roots and nerves (C1, C2, C3) Cranial nerves Extracranial arteries Extraocular & cranial muscles (frontalis, masseters, neck extensors) ⢠Paranasal sinuses ⢠Periosteum OU Neurology Fenichel GM. Clinical pediatric neurology: a signs and symptoms approach. 5 th ed. pp.77-78