Corneal epithelium showing desmosomes - TEM

Transmission electron micrograph of the epithelial surface of the peripheral cornea. These epthelial cells have very few organelles apart from nuclei. They adhere to each other via numerous desmosomes - the black spots along the interfaces between cells. The corneal surface is to the left and microvilli are visible on the surface of the outermost cell. This cell is approximately 3 microns deep, from the surface to its contact with the subjacent cell.