besides defined fibroblast-like and histiocyte-like elements a cell type was detected which was characterized by particular traits , as irregular nuclear outline , abundant rough endoplasmic reticulum , free ribosomes , bundles of filaments with single dense zones , micropinocytotic vesicles and a basement membrane-like material on the outer cell surface .
C0007634
cell type
C0230653
micropinocytotic vesicles