What does the prefix "Mon/o" mean?

The prefix "Mon/o" derives from the Greek word "monos," meaning "one" or "single." This prefix is commonly used in various medical terms to indicate singularity or the presence of a single unit. For instance, in the term "monocyte," which refers to a type of white blood cell that is single-nucleated, the prefix effectively conveys that it is one of the types of cells in the immune system. Understanding prefixes is essential in the medical field, as they provide key insights into the meanings of terms and the conditions or concepts they describe. In this case, "Mon/o" clearly signifies "one," thus making the answer the most accurate choice among the options provided.