ultrastructurally , the cells of the cartilaginous region of the cdf resembled those of the poorly differentiated chondrosarcoma and of the cartilaginous zones of an extraskeletal mesenchymal chondrosarcoma reported by fu and kay , and were characterised by an abundance of dilated endoplasmic reticulum and a scalloped and microvillous cell membrane .
C0007634
the cells
C0007603
cell membrane