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. Author manuscript; available in PMC: 2009 Aug 22.
Published in final edited form as: Behav Brain Res. 2008 Mar 25;191(2):173–177. doi: 10.1016/j.bbr.2008.03.019

Fig. 1.

Fig. 1

The orexigenic effect of NPY is decreased by estradiol treatment in OVX rats. Oil- and estradiol-treated rats received intracerebroventricular infusions of 5 µg NPY or saline vehicle during the mid-light phase. Analysis of food intake during the following 24 h interval revealed that the orexigenic effect of NPY was limited to the first 2 h following drug treatment. During this interval, the orexigenic effect of NPY was greater in oil-treated rats, relative to estradiol-treated rats. *Greater than saline-treated rats, P < 0.05. +Oil/NPY group greater than estradiol/NPY group, P < 0.05.