This illustration details all the different types of White Blood Cell, also known as leukocytes. Each cell can be differentiated by its nucleus type and the presence of other features like ribosomes. The cells here include: Basophils, eosinophils, neutrophils, monocytes and Lymphocytes. These are not the only cells that support immunity. Others include: T-killer cells, T-helper cells, Dendritic cells and mast cells.