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Figure 2. Photomicrographs of the poly(ADP-ribose) immunoreactive nuclei in rat gingivomucosal tissue in periodontitis. Bars = 50 µm (a,b,f) and 25 µm (c,d,e,g). (a) In the higher magnification of the connective tissue of the ligated animal, the thick arrow indicates the nuclei of fibroblasts, the arrowhead shows the nucleus of an eosinophil granulocyte, and the small arrow indicates a reactive endothelial cell of a capillary (C). (b) Thick arrows show the immunoreactive segmented nuclei of neutrophil granulocytes. (c) In the higher magnification of the connective tissue of the ligated animal, the thick arrow indicates the stained nucleus of an eosinophil granulocyte, and the arrowhead shows a monocyte. (d) The thick arrow marks the elliptical nucleus of a fibroblast, and the arrowhead indicates a mast cell having an immunoreactive nucleus. (e) Reactive smaller round nucleus of a lymphocyte is shown by a thick arrow; arrowhead indicates an immunonegative nucleus of a mast cell. (f) Longitudinal section of a capillary (C) with immunoreactive endothelial nuclei (arrowheads). (g) Cross-section of a vessel (V) where the immunopositive endothelial nuclei are marked by arrowheads.
J DENT RES, Vol. 82, No. 12,
987-992 (2003)
DOI: 10.1177/154405910308201210
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