2. • 1. Nucleus & RER (EM).
• 2. Nuclear pore & rER continuous with
the outer nuclear membrane(EM).
• 3. Melanin pigment in negroid skin(LM)
• 4. Glycogen granules in liver. (LM)
• 5. lipid droplet.(EM)

3. Nucleus

4. NUCLEUS..
• Nuclear envelope.
• Chromatin.
• Nucleolus.
• Nucleoplasm.
• Nuclear pores.
• RER

5. Nucleus & rER

6. Two parallel nuclear
membrane
Nuclear pore

7. Nuclear pore & rER continuous with
the outer nuclear membrane

8. Nuclear pore & rER continuous
with the outer nuclear
membrane

9. Melanin pigment in negroid
skin(LM)
a. Dark brown pigment.
b. In the epidermis of skin.

10. E/M of Glycogen granules
• One of the cell inclusions.
• Has a rosette appearance.
• Found in liver cells.

11. Glycogen granules in liver

12. Glycogen granules in liver(L/M)
a. Red granules
b. Found in Liver cells

13. E/M of lipid droplet:
• 1. One of the cell inclusions
• 2. Electron dense ( dark) and homogenous in appearance.
• 3. Variable in size.

14. Lipid droplet