Fig. 4. Comparison of the labeling density quantified by particle density in the
electron miscroscopic immunohistochemistry. Values are means ±
S.E.M. of the particle density in nine
separate regions. *Statistically significant difference (P<0.01,
one-way ANOVA, Tukey test). For abbreviations, see
Fig. 2. Cy, cytoplasm; Nu,
nucleus.