ultrastructurally , one reticular myoepithelioma reveals myoepithelial cell differentiation with microfilament aggregates , while the other three examples are composed of modified myoepithelial cells displaying widened intercellular spaces , prominent synthesis of extracellular glycosaminoglycans , distinct basal lamina development , and obvious accumulations of cytoplasmic intermediate filaments .
C0027070
myoepithelioma
C0225356
myoepithelial cells