other features applicable to both categories of fibroblast included : variation in overall staining intensity , structures resembling hemi-desmosomes , simple junctions , and close juxtapositions of cell surfaces forming 'contacts ' with other fibroblasts as well as with mononuclear cells ( lymphocytes , plasma cells , mast cells , macrophages ) .
C0007634
cell
C0016030
fibroblasts