In the context of medical terminology, what does "graph-" relate to?

The term "graph-" in medical terminology is derived from the Greek word "grapho," which means "to write." This root is commonly used in various medical and scientific terms that involve the act of writing or recording information. For example, in terms like "electrocardiogram," "graph-" signifies the process of recording electrical activity of the heart. Understanding this root helps to clarify that terms associated with "graph-" typically pertain to writing or recording data, especially in a medical context. This is why associating "graph-" with writing is accurate and aligns with its definition in medical terminology.