types of white blood cells. leukocytes granulocytes and agranulocytes.

agranulocytes basophil biology blood bottleneck cell cells didatic drift effect elements eosinophil eosinophils genetic granulocyte granulocytes graphic health healthy hematology human illustration immune immunity immunology infection inflammation leucocyte leukocyte leukocytes lymphocyte lymphocytes lymphoid macrophage medical medicine monocyte monocytes mononuclear neutrophil neutrophils overview plasma polymorphonuclear response science scientific structure system theory type types vector white