Tetanus is caused by the bacterium Clostridium tetani, which enters through wounds and causes contraction of the fibers in the skeletal [[muscles]]. Tetanus is also called lockjaw, which is actually a symptom of the disease. | Tetanus is caused by the bacterium Clostridium tetani, which enters through wounds and causes contraction of the fibers in the skeletal [[muscles]]. Tetanus is also called lockjaw, which is actually a symptom of the disease. |