...sensitive structures of the head: all tissues covering the cranium; the 5th, 9th, and 10th cranial nerves; the upper cervical nerves; the large intracranial venous sinuses; the large arteries at the base of the brain; the large dural arteries; and the dura mater at the skull base. dilation or contraction of blood vessel walls stimulates nerve endings, causing headache. the cause of most headaches is extracranial rather than intracranial. stroke, vascular abnormalities, and venous thromboses are uncommon causes of headache. 对头部任何疼痛敏感结构的刺激、牵引或压迫都能引起头痛，这些结构包括覆盖头颅的所有组织；第5、9、10颅神经；上部颈神经；颅内大静脉窦；颅底大动脉；硬脑膜大...

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