The little damselfish, still barely bleeding, but leaving a trail to follow, is the end of the path for the shark. With his mouth wide open, sharp teeth gleaming, the little damselfish doesn't stand a chance. The story of the shark in the damsel provides a perfect analogy for the way your body fights bacteria when you develop a diabetic foot infection timberland femme . The bacteria is much like the little damselfish. As it moves through the tissue in your foot, it leaves chemical markers that signal its presence. The sharks are much like the white blood cells (known as macrophages) that track down the bacteria through a process known as chemotaxis. Once the macrophages locate the bacteria, thee actually surround the bacteria with the cell wall, effectively eating them.