What does the suffix "pyo" refer to in medical terminology?

The suffix "pyo" in medical terminology refers specifically to pus. It is commonly used in various medical contexts to describe conditions characterized by the presence of pus, which is a thick fluid typically produced in response to infection. For example, terms like "pyogenic" indicate the ability to produce pus, and "pyoderma" refers to a skin condition with pus formation. Knowing this suffix can be quite valuable when interpreting various medical terms and understanding the nature of infections or inflammatory processes within the body.