Spores of Clostridium tetani are most often introduced into the body through penetrating trauma, like a puncture wound.

破伤风梭菌的芽孢最常通过穿透性损伤进入人体，如刺伤。

People of all ages are susceptible to brain injury which is a bump, blow, or jolt to the head or a penetrating head trauma that disrupts the normal function of the brain.

任何年龄段的人都很容易遭受头部的碰撞、打击、晃动或影响大脑正常运行的穿透性伤害等。

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.

脊髓半切综合征，即脊椎骨折或有任何穿透性创伤，比如火器伤、背部刺伤，造成脊髓半侧损伤的情况。