The prefix 'anti-' is used to denote what?

The prefix 'anti-' is derived from Greek, where it means 'against' or 'opposite.' In medical terminology, this prefix is commonly used to describe substances that counteract or oppose certain conditions, such as antibiotics, which work against bacterial infections. Therefore, when you see 'anti-' in a term, it indicates a relationship of opposition or defense against a particular agent, condition, or pathogen. Understanding this can help make sense of various medical terms and their functions in treatment and healthcare.