Blood cells - image description

This diagram shows how all blood cells are made from stem cells. At the top of the diagram, is a stem cell. It has two arrows pointing downwards. One points to a lymphoid stem cell and one points to a myeloid stem cell. The lymphoid stem cell has two arrows pointing to the blood cells it makes. These are a B-cell lymphocyte and a T-cell lymphocyte. These lymphocytes are both types of white blood cells. The myeloid stem cell has three arrows pointing to the blood cells it makes. These are a red blood cell, a platelet and a neutrophil. A neutrophil is a type of white blood cell.