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Histochemical analyses in Miconia albicans stems embedded in PEG (T2 and T3). T2: Material fixed in Karnovsky’s solution, embedded in PEG, sectioned, and submitted to the histochemical reactions. T3: Material fixed in ferrous sulfate and formalin, embedded in PEG, and sectioned. Scale bars: 100 µm. Abbreviations: PEG, Polyethylene glycol; pi, pith; xy, xylem; cx, cortex; mb, medullary bundle; sc, cortical sclereids.
