What does the prefix 'anti' signify in terms of medical terminology?

The prefix 'anti' in medical terminology signifies opposition or resistance. When used in this context, it indicates a counteracting effect against a particular disease, condition, or agent. For example, in the term "antibiotic," it refers to substances that work against bacterial life. This prefix is essential in conveying the idea of combating or preventing something harmful, making it a crucial element in medical language. Understanding this prefix enhances comprehension of various medical terms and their implications in health and treatment.