Vania Aparecida V Kina

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1. This study examined whether different parts of the rat anterior pretectal nucleus (APtN) may be involved in the spinal control of brief (tail flick test) or persistent (surgical incision of the plantar aspect of a hind paw) noxious inputs via activation of descending pathways. 2. We have confirmed that stimulation of the dorsal APtN produces a strong(More)
The anterior pretectal nucleus (APtN) participates in nociceptive process and controls spinal nociceptive inputs, and its integrity reduces the severity of the responses to persistent injury. In this study we examined whether the pedunculopontine tegmental nucleus (PPTg) or the gigantocellularis nucleus pars alpha (GiA), stations that relay APtN inputs to(More)
The modulation by spinal nitric oxide (NO) of descending pathways travelling through the dorsal lateral funiculus (DLF) is a mechanism proposed for the antinociceptive effects of drugs that changes the NO metabolism. In this study we confirm that a surgical incision in the mid-plantar hind paw of rats reduces the threshold to mechanical stimulation with von(More)
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