ABBEY, ANIMAL, CILIATE, CILIOPHORA, DARK, DARK-FIELD, DARKFIELD, EPISTYLIDAE, EPISTYLIS, FIELD, LIGHT, LIVING, LM, MICHAEL, MICROBE, MICROBIOLOGY, MICROGRAPH, MICROORGANISM, MICROSCOPIC, MICROSCOPY, ONE-CELLED, ORGANISM, PROTIST, PROTISTA, PROTOZOA, PROTOZOAN, SESSILE, SINGLE-CELLED, STALKED, UNICELLULAR,