1. Skin epidermis dermis

2. Skin -- Dermal-Epidermal Junction

3. melanocytes Langerhans (antigen- presenting) cells

4. Intestine microvilli “Striated Border” epithelium Basal surface Apical surface

5. Cell -Cell Junctions

6. Intestinal Junctional Complex TJ = Tight Junction MV = MicroVilli ZA = Zonula Adherens D = Desmosomes IF = Intermediate Filaments

7. Hemidesmisome Joins basal surface of epithelium to basement membrane

8. Gap Junction

9. More Epithelium -- Liver parenchyma

10. Portal triad Hepatocytes and sinusoidal lining cells (Kupffer Cells and Endothelium)

11. Liver, Reticulin stain for Collagen

12. Liver, Electron Microscopy

13. Venule Arteriole AV shunt M= metateriole Mesentery - Microcirculation capillary

14. Continuous endothelium Fenestrated endothelium

15. Arterioles