Leukopenia

Leukopenia
Other namesleukocytopenia, leucopenia, leucopoenia
3D rendering of various types of white blood cells
SpecialtyInfectiology, hematology

Leukopenia (from Greek λευκός (leukos) 'white' and πενία (penia) 'deficiency') is a decrease in the number of white blood cells (leukocytes). It places individuals at increased risk of infection as white blood cells are the body's primary defense against infections.