Ключевые слова: analyzing, anatomy, animal, background, biology, chicken, clam, closeup, detail, diagnosis, disease, education, epidermis, experiment, expertise, fish, food, fresh, gill, health, host, illness, infectious, inflammatory, intestine, invertebrate, lab, laboratory, lizard, medical, medicine, microorganisms, microscope, monogenean, natural, nematode, parasite, pathogens, professional, protists, research, samples, science, scientific, scissors, surgery, test, white, worm,