These microorganisms may grow within the wound and cause an infection.
The human body contains many microorganisms, some help maintain good health and some cause disease.
Some of the microorganisms are helpful, such as probiotic strains.
Lardaceous disease, however, here and in other regions, now appears to be due to the specific toxins of pyogenetic micro-organisms. In stone of the kidney a great advance has been made in treatment by operative means, and the formation of these stones seems to recent observers to depend less upon constitutional bent (gout) than upon unhealthy local conditions of the passages, which in their turn again may be due to the action of microorganisms.
Normally, these immune cells only attack invading microorganisms.