👉 A planoblastic cell is a type of cell that has not yet been differentiated into a specific function or type. These cells are typically found in the bone marrow, which is a collection of red blood cells and white blood cells, and they can be found in any part of the body where there are circulating blood cells. Planoblastic cells have the potential to differentiate into various types of cells over time. For example, some planoblastic cells may become osteoblasts (osteocytes)