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Figure 4 | Neural Development

Figure 4

From: In vivo development of dendritic orientation in wild-type and mislocalized retinal ganglion cells

Figure 4

Apical and basal dendrites differ in their rate of addition as a biased arbor emerges. (A) The rate of dendritic tip addition (see Materials and methods) was significantly different between apical and basal dendrites in cells with biased arbors but not in cells with unbiased arbors. Numbers on the bar graphs indicate the number of cells (n) analyzed. Error bars represent standard error of the mean (SEM). *P < 0.05. (B) Extension rates of apical and basal dendrites were significantly different in cells with biased arbors (P < 0.05), but not in cells with unbiased arbors. Retraction rates were not significantly different (P > 0.05 for all plots) between apical and basal dendrites of cells within a stage (biased or unbiased). Numbers in parentheses indicate the number of dendrites (n) measured. Solid symbols are median values of the respective distributions of the raw values plotted on the adjacent columns. Error bars represent SEM. (C) Lifetime distributions of apical versus basal dendrites did not differ for cells with unbiased or with biased arbors.

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