What does the suffix "-itis" indicate in medical terminology?

The suffix "-itis" is commonly used in medical terminology to denote inflammation or infection of a specific organ or tissue. For instance, when referring to "arthritis," it describes inflammation of the joints. Similarly, "appendicitis" indicates inflammation of the appendix. This suffix is essential in understanding disease processes, as it highlights the body's response to injury or infection, which often involves swelling, redness, heat, and pain. Recognizing this suffix allows medical professionals to diagnose and discuss various conditions effectively, making it a cornerstone in the field of medicine.

The other options refer to different concepts; "condition of" typically relates to the suffix "-osis," which describes abnormal conditions or diseases. "Abnormal growth" can connect to terms like "-oma," which specifically refers to tumors. "Removal or excision" pertains to the suffix "-ectomy," used in surgical terminology to indicate the removal of a particular organ or tissue. These distinctions are crucial for accurate communication in the medical field.