160X, ABBEY, ALGAE, AT, BEZBARWNY, BIOLOGIA, BIOLOGICAL, BIOLOGY, CELL, COLORLESS, CONTRAST, DIC, DIFFERENTIAL, DZIENNY, EUGLENA, EUKARYOTA, EUKARYOTE, FILTROWAC, FLAGELLA, FLAGELLATE, FLAGELLATES, FLAGELLUM, GLONY, GRACILIS, INTERFERENCE, JASNA, JASNY, KOMORKA, KOMORKOWY, KONTRAST, LEKKA, LEKKI, LEKKIE, LIGHT, LIVING, LM, MAGNIFICATION, MICHAEL, MICROBIOLOGICAL, MICROBIOLOGY, MICROGRAPH, MICROORGANISM, MICROSCOPY, MIKROBIOLOGIA, NATURA, NATURE, NAUKA, OPACTWO, ORGANISM, POKAZYWANIE, PROTIST, PROTISTA, PROTOZOA, PROTOZOAN, PRZYRODA, SCIENCE, SHOWING, SPECIMEN, STRAIN, SWIATLO, TELEFON, WYSWIETLANIE, ZYJACE, ZYJACY,