He was looking over at Harry as he spoke. Crabbe and Goyle chuckled. Harry, who has measuring out powdered spine of lionfish, ignored them. Malfoy had been even more unpleasant than usual since the Quidditch match.
In Brown-Sequard syndrome, a vertebral bone fracture or any kind of penetrating trauma, like a gunshot injury or stab wound in the back can lead to the hemisection of the spinal cord.