125X, A, ABBEY, ALVEOLATA, AT, BIOLOGIA, BIOLOGICAL, BIOLOGY, CHROMALVEOLATA, CILIA, CILIATE, CILIOPHORA, CONTRAST, DIC, DIFFERENTIAL, DZIENNY, EUKARYA, EUKARYOTE, GENUS, IMAGING, IN, INTERFERENCE, JASNA, JASNY, KONTRAST, LEKKA, LEKKI, LEKKIE, LIGHT, LIVING, LM, MAGNIFICATION, MICHAEL, MICROBIOLOGICAL, MICROBIOLOGY, MICROGRAPH, MICROGRAPHY, MICROORGANISM, MIKROBIOLOGIA, NAUKA, OF, OPACTWO, ORGANISM, PROTIST, PROTISTA, PROTOZOA, PROTOZOAN, SCIENCE, SPECIMEN, SWIATLO, THE, VORTICELLA, W, ZYJACE, ZYJACY,