Ключевые слова: anatomy, artery, background, biology, biopsy, blood, blood vessel, body, cells, education, endothelium, health, healthy, human, investigating, invisible, lab, laboratory, layer, life, magnification, medical, medicine, membrane, micro, micro anatomy, micrograph, microscope, microscopic, organism, organs, pattern, probe, research, science, scientific, section, smooth muscle, specimen, structure, texture, tissue, valves, vein,