Fig. 4. The corneal (E) and the conjunctival (Ep) epithelia at the limbus are formed of less number of layers in comparison to Fig. 2. Some cells exhibit dark nuclei and vacuolated cytoplasm (thick arrows), others have dark nuclei (thin arrow). Note multiple blood vessels (B), separation of substantia (*) and scleral (**) fibers (H&E, ×400).