What does the prefix 'leuko-' refer to in medical terminology?

The prefix 'leuko-' is derived from the Greek word "leukos," which means "white." In medical terminology, this prefix is often used to describe white blood cells, as in "leukocyte." These cells play a crucial role in the immune system, helping the body to fight off infections and diseases. Understanding prefixes like 'leuko-' is essential for grasping medical language, as they provide important clues about the conditions and components being described. Recognizing that 'leuko-' refers to the color white can help in interpreting various medical terms related to blood and the immune response.