electron-microscopic evidence showed that the microelectrode tip was positioned in an interstitial cell of cajal ( icc ) : 1 ) several sections were observed with round cytoplasmic lesions of decreasing diameter followed by sections from the same cell without the lesion and 2 ) electron-dense material was observed in these sections due to the injected methylene blue .
C0010834
cytoplasmic
C0007634
cell