Two young monocytes, 1 with many vacuoles. Normal blood – 100X   

Description and Classification White blood cells are described and classified in several ways: 1. By function:Defense cells; phagocytes (granulocytes, macrophages) Cells that produce ...

The blood has three types of formed elements: erythrocytes (red blood cells), leukocytes (white blood cells), and platelets or thrombocytes . Erythrocytes:  Also called red blood ...