What does the suffix "-itis" indicate?

The suffix "-itis" is used in medical terminology to denote inflammation of an organ or tissue. When this suffix is attached to the root word, it indicates that the particular area of the body is experiencing an inflammatory response, often due to infection, irritation, or disease. For example, "appendicitis" refers to the inflammation of the appendix. This clarity in signaling inflammation helps healthcare professionals quickly identify and address conditions related to swelling, pain, and various associated symptoms, making it a critical descriptor in medical diagnosis and treatment. Understanding this suffix is essential for anyone studying medical terminology as it frequently appears in clinical contexts.