Ключевые слова: 3d, balantidiasis, balantidium, biology, cilia, ciliated, coli, cytostome, drink, food, human, illustration, infection, intestinal, intestine, isolated, macronucleus, medical, medicine, microbe, microbiology, micronucleus, microorganism, morphology, nucleus, parasite, parasitology, pigs, protozoan, tract, transmission, ulcer, vacuole, water,