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Effect of morphine-induced cortical excitation on somatosensory responses evoked in the periaqueductal grey matter
(1985)
The somatosensory cortex responses and periaqueductal grey matter responses evoked by electric peripheral nerve stimulation were studied following topical application of 1% morphine solution to the primary somatosensory ...
Effect of morphine‐induced cortical excitation on spinal sensory transmission
(1986)
Bioelectrical responses evoked in the ventrolateral funiculus (VLF) of the spinal cord by electrical stimulation of the contralateral hind limb were studied following topical application of 1% morphine solution to the ...
Antinociception, tolerance, and physical dependence comparison between morphine and tramadol
(Elsevier Inc., 1998)
The mechanism of action of tramadol includes the activation of opioid receptors, and the potential ability of the drug to induce tolerance and physical dependence has been evaluated in different animal species and humans. ...
Antagonism of morphine-induced central respiratory depression by donepezil in the anesthetized rabbit
(Sociedad de Biología de Chile, 2007)
A model for the cellular mechanisms of morphine tolerance and dependence
(Elsevier Science Ltd., 2010)
Morphine treatment during pregnancy modulates behavioral selection in lactating rats
(PERGAMON-ELSEVIER SCIENCE LTD, 2010)
Previous studies have demonstrated that treatment of postpartum female rats with morphine inhibits maternal behavior and stimulates foraging. Exposure to drugs of abuse may result in a progressive enhancement of their ...
Effects of morphine on the plus-maze discriminative avoidance task: role of state-dependent learning
(Springer, 2006-01-01)
The amnesic effects of morphine may be related to its action on nociception, anxiety, or locomotion. This effect is also suggested to be related to state dependency.The aims of this study were to verify the effects of ...
Topical application of morphine to the rat somatosensory corte produces analgesia to tonic pain
(1988)
Topical application of 0.01 or 0.1% morphine solution to the somatosensory SI area of the rat cerebral cortex significantly decreased the pain intensity rating in the formalin test without producing motor side efects or ...
Behavioral characterization of morphine effects on motor activity in mice
(Elsevier B.V., 2005-08-01)
A biphasic effect of morphine on locomotion has been extensively described. Nevertheless, the effects of this opioid on other behavioral parameters have been overlooked. the aim of the present study was to verify the effects ...
Determining plasma morphine levels using GC-MS after solid phase extraction to monitor drug levels in the postoperative period
(Faculdade de Medicina / USP, 2008)
OBJECTIVE: To implement a selective and sensitive analytical method to quantify morphine in small volumes of plasma by gas-liquid chromatography-mass spectrometry (GC-MS), aimed at post-operatively monitoring the drug. ...