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(a) Condensed chromatin (CC), (b) pyknotic nuclei, arrow (PN), (c) karyolysis (KL), and (d) typical nuclear buds (NBUDs). Photomicrographs stained with acridine orange viewed at 1000 magnification under fluorescence with an IVFL filter (450–490 nm). Binocular Microscope Carl Zeiss (Axiostar Plus).
