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. 2007 Dec 20;149(4):1462–1469. doi: 10.1210/en.2007-1345

Figure 2.

Figure 2

TH activity as evaluated by DOPA accumulation in the SME of cycling female rats at designated time points on proestrus and estrus. TH activity was 30–50% lower at 1700, 1900, and 2200 h compared with 1100–1500 h on proestrus, but 30% greater on estrous compared with proestrous morning. Each value represents mean ± sem of determinations from seven to nine rats. *, P < 0.05 vs. 1100 h on proestrus; #, P < 0.05 vs. 1300 and 1500 h on proestrus; ##, P < 0.01 vs. 1300 and 1500 h on proestrus; ‡, P < 0.05–0.001 vs. 1100, 1700–2200 h on proestrus.