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Figure 2. TEM analysis of HLA-DR+ dendritic cells and HLA-DR+ macrophages in radicular granulomas. (A) An HLA-DR+ macrophage. Large distinct phagosomes (*) can be seen. Bar = 3 µm. (B) Ultrastructure of an HLA-DR+ dendritic cell with a long cytoplasmic process in a lymphocyte (Ly)-rich area. Bar = 1.8 µm. (C) Frequency of HLA-DR+ dendritic cells and macrophages in the total area of the specimen (mean ± SD; n = 14). **p < 0.01. (D) Frequency of HLA-DR+ dendritic cells and macrophages in lymphocyte-rich areas (mean ± SD; n = 14). **p < 0.01.
J DENT RES, Vol. 87, No. 6,
553-557 (2008)
DOI: 10.1177/154405910808700617
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