Objective: To study the relationship between trigeminal nerve, cerebellar arteries and petrosal veins, and provide anatomic bases for clinical diagnosis and treatment of trigeminal neuralgia.

• 摘要目的：研究三叉神经与小脑动脉、岩静脉等之间的关系，为临床三叉神经痛诊治提供解剖学资基础。