What does the root word "Leuko-" signify?

The root word "leuko-" originates from the Greek word "leukos," which means 'white.' This prefix is commonly used in various scientific and medical terms to denote a white color or a deficiency of color. For example, in terms like "leukocyte," which refers to a type of white blood cell, the prefix highlights its classification related to the color white. This terminology is significant in medical contexts, particularly in hematology, where distinguishing between different types of blood cells is essential for diagnosis and treatment. Understanding this root word helps in grasping the meaning of several medical terms that describe conditions, reactions, or components associated with whiteness or light.