Final answer:
Megaloblasts and normoblasts are types of precursor cells in the bone marrow that develop into red blood cells. They differ in size, nuclear characteristics, and stage of maturation.
Step-by-step explanation:
Megaloblasts and normoblasts are both types of precursor cells in the bone marrow that eventually develop into red blood cells. However, they differ in terms of size, nuclear characteristics, and stage of maturation.
Megaloblasts are larger than normoblasts and have a more immature, larger nucleus. They are typically seen in certain types of anemia, such as vitamin B12 deficiency or folate deficiency. Normoblasts, on the other hand, are smaller and have a more mature, smaller nucleus. They are normally present during the later stages of red blood cell development.
In summary, megaloblasts are larger, have a more immature nucleus, and are associated with certain types of anemia. Normoblasts are smaller, have a more mature nucleus, and are part of the normal red blood cell development process.