at the commencement of the experiment , after incubation of cells with [ 125i ] ngf for 1 min at room temperature , the plasma membranes of perikarya and processes showed similar levels of labeling by [ 125i ] ngf of 0.186 +/- 0.03 grains/micron and 0.152 +/- 0.013 grains/micron respectively .
C0007634
cells
C0007603
plasma membranes