Which medical term corresponds to the combining form "phag/o"?

The combining form "phag/o" derives from Greek and is commonly used in medical terminology to mean "to eat" or "to swallow." This term is often seen in various medical contexts, especially related to processes involving the ingestion, consumption, or destruction of cells, such as in the case of phagocytosis, where cells engulf and digest particles.

In this context, the correct association of "phag/o" with the concept of swallowing is essential for understanding the relevant medical topics. The other terms provided do not align with this meaning; they refer to completely different concepts. For instance, "light" does not relate to ingestion; "vein" pertains to blood vessels, and "drug" involves pharmacology. Understanding the specific meanings of combining forms helps in deciphering complex medical terms and enhancing overall comprehension in the field of medicine.