Which suffix means "inflammation"?

The suffix that signifies "inflammation" is -itis. This suffix is commonly used in medical terminology to describe inflammatory conditions affecting various tissues and organs in the body. For example, appendicitis refers to inflammation of the appendix, and arthritis denotes inflammation of the joints.

Understanding that -itis specifically relates to inflammation is crucial in medical contexts because it helps convey the nature of the condition being discussed. The other choices serve different purposes: -oma refers to tumors, either benign or malignant, -algia indicates pain in a specific area, and -lysis involves the breakdown or destruction of a substance. Recognizing these distinctions allows for more precise communication regarding health conditions.