The nutrient arteries of abducens nerves were originated from the dorsal meningealarteries, and 83 3% of them traversed Dorellos canal by one stem, medially to abducens nerves.
展神经伴行动脉为脑膜背侧动脉的分支,83 3%以单干形式经过展神经内侧。
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Arterial supply is usually through meningeal branches of the external carotid, internal carotid, and vertebral arteries. Drainage is via dural venous sinuses or other dural or leptomeningeal channels.