the results show that besides anaplastic , osteoblast-like , and fibroblast-like tumor cells angiosarcomatous components can be observed in this malignant bone tumor , which are characterized by endothelial cells with pinocytotic vesicles , tight intercellular junctions , fine fibrils , and so-called weibel-palade bodies in their cytoplasm .
C1519091
pinocytotic vesicles
C0010834
cytoplasm