What prefix means "again" in medical terminology?

The prefix that means "again" in medical terminology is "Re-." This prefix is commonly used to indicate repetition or a return to a previous state. For example, in the term "rehabilitation," it implies the process of restoring health or functionality again after an injury or illness. The use of "Re-" is prevalent in various medical terms where the concept of repeating or restoring is vital to the understanding of the procedure or condition being described.

In contrast, "Neo-" refers to something new or recent, "Ab-" signifies away from or removal, and "Ante-" means before or in front of. These prefixes communicate different meanings that do not convey the notion of repetition or a return to a prior state. Understanding these prefixes is essential for accurately interpreting medical terminology.