Animals 4 Central Nervous System 4 Coloring Agents 4 Klüver-Barrera 4 Microtomy 4 Microwave oven 4 Neuroanatomy 4 Nissl 4 Paraffin sections Specimen Handling 4 Staining and Labeling 4 Tissue Embedding 4 Tissue Fixation 4 Vertebrates 4 animal 4 article 4 central nervous system 4 coloring agent 4 histology 4 laboratory diagnosis 4 methodology 4 microtomy 4 staining 4 standard 4 tissue fixation 4 vertebrate 4