The meninges of spinal cord Spinal dura mater 硬脊膜 Spinal arachnoid mater 脊髓蛛网膜 Spinal pla mater 软脊膜The meninges of spinal cord ◼ Spinal dura mater 硬脊膜 ◼ Spinal arachnoid mater 脊髓蛛网膜 ◼ Spinal pia mater 软脊膜