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. Author manuscript; available in PMC: 2014 Jun 26.
Published in final edited form as: Brain Res. 2013 Apr 11;1518:71–81. doi: 10.1016/j.brainres.2013.03.051

Fig. 6.

Fig. 6

Effects of sex and estrous cycle stage on pDOR-ir in CA2/3a in normal and stressed rats. Quantitative densitometry was used to measure pDOR-ir in the CA2/CA3a region of the hippocampus in animals following acute immobilization stress and in control animals. Post-hoc analysis revealed that in control animals, pDOR-ir is elevated in estrus compared to other cycle stages (*p<0.05). Also, estrus animals were the only group showing a significant decrease (**p<0.05) in pDOR-ir following acute immobilization stress.