👉 In medical terminology, leucocytosis refers to an excessive number of white blood cells in a patient's blood. It is often used as a symptom or indicator of an infection, such as malaria or certain types of tuberculosis. The term "leucocytosis" comes from the Greek word "leukos", which means "white," and "cytosis," which refers to the movement of white blood cells. In this context, leucocytosis is a condition in