
Using a light microscope, you can see stained blood cells well enough to pick out the nucleus of leucocyte. However, the cytoplasm of leucocytes and most other human cells contains many other smaller structures, called organelles. Most organalles can not be seen with light microscope. A much more powerful kind of microscope, called an electron microscope, is needes.
This is a picture that show parts of cell
Fig. 1 Electronmicrograph of leucocyte...