ALPHA, ANIMAL, BSIP, CELL, CELLS, CYTOPLASM, CYTOPLASMIC, DIGESTIVE, ENDOCRINE, FORMALIN-FIXED, GLAND, GLUCAGON, GRYZON, HISTOLOGY, HORMON, HORMONALNA, HORMONALNE, HORMONALNY, HORMONE, IMAGERY, IMMUNOPEROXIDASE, IMMUNOSTAINING, ISLET, KOMORKA, KOMORKI, KOMORKOWE, KOMORKOWY, LANGERHANS, MAMMAL, MICROSCOPE, MIKROSKOP, MOUSE, MURID, MYSZ, MYSZKA, NIEHS, NORMAL, NORMALNA, NORMALNE, NORMALNY, OF, OPTICAL, PANCREAS, PARAFFIN-EMBEDDED, POKAZYWANIE, PORTION, RESULT, RODENT, SCIENTIFIC, SHOWING, SSAK, STAINING, SYSTEM, TAGGING, TAGOWANIE, TELEFON, TELEFONY, THE, TISSUE, WYSEPKA, WYSWIETLANIE, ZWIERZE, ZWIERZECY,