Identify the prefix that indicates direction 'toward or near'.

The prefix that indicates direction 'toward or near' is "Ad-." This prefix derives from Latin, meaning "to" or "toward." In medical terminology, it is often used to describe movements or positions that are approaching or getting closer to a certain point or structure in the body. For example, "adduction" refers to the movement of a limb towards the midline of the body, illustrating how this prefix conveys the concept of directionality closer to something else.

Understanding this prefix is essential in the fields of medicine and anatomy, as it helps in accurately describing bodily functions and movements. The other prefixes listed relate to different meanings: "Brady-" usually denotes slowness, "Ab-" signifies moving away from something, and "Ante-" refers to something being positioned in front of or before something else.