What does the prefix "ab-" typically indicate?

The prefix "ab-" originates from Latin, meaning "away from." It is commonly used in medical terminology to denote a position or direction that is moving away from a particular point or structure in the body. For example, the term "abduction" refers to the movement of a limb away from the midline of the body. This understanding of the prefix is crucial in medical contexts as it helps in accurately describing anatomical locations, directions, and movements. The other options refer to different directional prefixes that are not related to "ab-," illustrating how precise terminology is essential in medical discourse.