Ключевые слова: abstract, anatomical, anatomy, animal, background, biological, biology, biotechnology, care, cell, cellular, dna, dog, education, endocrine, file, gland, health, healthy, histology, larger, magnification, medical, medicinal, medicine, micro, microbiology, micrograph, microscope, microscopic, microscopy, molecule, nature, nucleus, organ, organism, pathology, pattern, research, science, scientific, section, size, structure, textures, throat, thyroid, tissue, tumor,