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. Author manuscript; available in PMC: 2014 Oct 16.
Published in final edited form as: Neuroscience. 2013 Jun 24;0:403–413. doi: 10.1016/j.neuroscience.2013.06.020

Figure 1.

Figure 1

Melatonin delivery from implants and reproductive responses to extended melatonin exposure. A) Independent of photoperiod, 12 weeks after implant surgery, plasma melatonin concentrations in the middle of the light phase were elevated in mice with melatonin implants. B) Extending the duration of daily melatonin exposure by short day lengths (SDBL) or by melatonin implants (LDMEL, SDMEL) reduces paired testes mass. C) Extended duration of daily melatonin exposure reduces paired testes mass (data collapsed by melatonin exposure duration from B). *p < 0.05.