Small blood vessel - endothelial cells & RBC

Transmission electron micrograph of a cross section of a small blood vessel in the corneal limbus adjacent to a corneal ulcer. Endothelial cells line the vessel and are surrounded by pericytes. RBCs are visible inside the vessel. To the left of the vessel is a plasma cell and to the left of this is a phagocytic cell with ingested contents. Below the phagocytic cell is a fibroblast. The surrounding matix contains cell debris and broken down collagen.