What is indicated by the suffix "-itis"?

The suffix "-itis" is derived from the Greek word for inflammation and is used in medical terminology to indicate an inflammatory condition in various parts of the body. When this suffix is attached to a root word, it signifies that there is an inflammatory process occurring in the organ or system referred to by the root. For example, "appendicitis" refers to inflammation of the appendix, while "arthritis" indicates inflammation of the joints. Each usage denotes a health condition where swelling, redness, heat, and pain are commonly present, making it essential in diagnosing and treating various medical conditions related to inflammation. This distinction highlights the specific role of "-itis" in medical language and its importance in conveying information about diseases and health issues.