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Haematoxylin and eosin-stained section of a secondary lymphoid follicle, composed of a GC surrounded by a mantle zone and the marginal zone. The normal population of a reactive GC is composed of centroblasts (CB), centrocytes (CC), follicular dendritic cells, T cells and macrophages containing apoptotic bodies (a) within their cytoplasm. (Magnification, × 60 objective).
