Regular blood examinations are performed to assess general health, diagnose blood disorders and monitor the course of certain diseases. Blood cells, including red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes) are the functional components of blood. The study of blood cells is of great significance in many aspects, such as morphology, physiology, clinicopathology, and therapy. Electron microscopy(EM) has been demonstrated as an excellent tool and has been used to observe and analyze various blood cells. Red Blood Cell Ultrastructure https://iem.creative-biostruct....ure.com/blood-cell-i