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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: J Neuropathol Exp Neurol. 2008 Dec;67(12):1166–1186. doi: 10.1097/NEN.0b013e318190d6db

Table 1.

Effect of Age on Presynaptic Axon Terminal Cross Sectional Area of Sympathetic Ganglia

Experimental Group Age Synapses (#) Axon Terminal Cross Sectional Area (square microns)
Aged Mouse Exp
 Young (n = 4) 4 months 90 ± 12 0.86 ± 0.06
 Aged (n = 7) 22 –24 months 92 ± 10 1.22 ± 0.06*

Values represent the means ± SEM of the mean cross-sectional area of 50 to 125 synapses sampled from the SMG-CG of each of n mice. Statistical comparison:

*

p ≤ 0.01;

#

p ≤ 0.05.