Ключевые слова: abstract, anatomical, anatomy, animal, background, biology, biopsy, cancer, cell, clinical, colon, colorectal, death, disease, division, education, epithelium, gastric, histology, illness, laboratory, macro, magnification, medical, medicine, melanoma, micro, microbiology, microscope, microscopic, microscopy, oncology, organ, pathology, pattern, physiology, pyloric, research, science, scientific, section, skin, stomach, structure, surgery, texture, tissue, treatment, tumor, tumour,