<Li> a pronormoblast, also commonly called an proerythroblast or a rubriblast . </Li> <Li> This becomes a basophilic or early normoblast, also commonly called an erythroblast, then </Li> <Li> a polychromatophilic or intermediate normoblast, then </Li> <Li> an orthochromatic or late normoblast . At this stage the nucleus is expelled before the cell becomes </Li>

When does fetal erythrocyte production shift from the liver to the bone marrow