Ce microscope (model DMR B/D MLD; Leica), a 3CCD 3-chip colour video camera (DageMTI), and
Ce microscope (model DMR B/D MLD; Leica), a 3CCD 3-chip colour video camera (DageMTI), and image software (Scion). Paraffin-embedded tissues were also processed for the Fontana-Masson silver stain to observe…