نتایج جستجو برای: morphine physical dependence
تعداد نتایج: 824454 فیلتر نتایج به سال:
Morphine dependence is associated with long-term adaptive changes in the brain that involve gene expression. Different behavioral effects of morphine are mediated by different brain regions, for example, the locus ceruleus (LC), a noradrenergic nucleus, is implicated in physical dependence and withdrawal, whereas the ventral tegmental area (VTA), a dopaminergic nucleus, contributes to rewarding...
introduction: morphine addiction and morphine withdrawal syndrome are the two main problems of today’s human society. the present study has investigated the effects of nicotine on the strength of physical and psychological dependency in single and repeated doses morphine administrated rats. methods: male wistar rats were subjected to morphine consumption with single or frequent dose protocols. ...
BACKGROUND AND PURPOSE Opiates remain the most effective compounds for alleviating severe pain across a wide range of conditions. However, their use is associated with significant side effects. Neuropeptide FF (NPFF) receptors have been implicated in several opiate-induced neuroadaptive changes including the development of tolerance. In this study, we investigated the consequences of NPFF recep...
1. The effect of three periods of isolation (8, 15 and 30 days) were studied in mice on the pain threshold and the sensitivity to morphine. 2. The pain threshold was unchanged after 8 and 15 days of isolation but increased after 30 days of isolation. 3. The analgesic effect of morphine was unchanged after 8 and 15 days of isolation but increased after 30 days of isolation. 4. The tolerance to m...
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