a significant higher intramembrane particle density was recorded on the protoplasmic face of plasma membrane of epithelial cells from non-neoplastic breast tissues ( 2999 +/- 720 np/micron2 ) compared to the particle density on the corresponding face of cancer cells ( 911 +/- 608 np/micron2 ) .
C0175996
protoplasmic
C0007634
cells