in this study, the effects of subcutaneous (sc) injection of pilocarpine (a cholinomimetic agent) and atropine (a muscarinic receptors antagonist) were investigated on a tonic model of orofacial pain in rats. the contribution of the endogenous analgesic opioid system was assessed using naloxone (an opioid receptors antagonist). tonic orofacial pain was induced by sc injection of a diluted forma...

OBJECTIVE Premna integrifolia Linn (Family: Verbenaceae) synonym of Premna serratifolia has tremendous medicinal value. Preliminary pharmacological studies were performed on the methanolic extract of Premna integrifolia (MEPI) bark to investigate neuropharmacological, analgesic, and anti-inflammatory activities. MATERIALS AND METHODS Neuropharmacology study was done by open field and hole cro...

objective(s): there are many reports about the role of rostral ventromedial medulla (rvm) in modulating stress-induced analgesia (sia). in the previous study we demonstrated that temporal inactivation of rvm by lidocaine potentiated stress-induced analgesia. in this study, we investigated the effect of permanent lesion of the rvm on sia by using formalin test as a model of acute inflammatory pa...

In this study, the effects of subcutaneous (SC) injection of pilocarpine (a cholinomimetic agent) and atropine (a muscarinic receptors antagonist) were investigated on a tonic model of orofacial pain in rats. The contribution of the endogenous analgesic opioid system was assessed using naloxone (an opioid receptors antagonist). Tonic orofacial pain was induced by SC injection of a diluted forma...

introduction: mineral trioxide aggregate (mta) is an endodontic material with different clinical applications e.g. root-end filling, pulp capping and perforation repair.  it has been reported to possess antimicrobial and antifungal activities. the aim of this study was to examine the effect of white mta on formalin-induced hyperalgesia in a rat with inflammatory pain. materials and methods: inf...

the effect of blood glucose level changes induced by 24h food deprivation and intraperitoneal (ip) injection of insulin (2iu/kg) and glucose (2gr/kg) was investigated on the pain induced by intraplantar (ipl) injection of formalin (20ml , 5%) in mice. blood glucose level changes were determined by blood sampling from the apex of the tail of mice. ip injection of insulin and 24h food deprivation...

Matricaria recutita is an important medicinal plant belonging to the family of Asteraceae. It is a well recognized plant in the traditional medicine and is used by people in rural areas. This study is aimed to evaluate the anti-pain effects of methanolic extract of Matricaria recutita. The experiments were performed on 40 male wistar rats weighting 190 to 200 g, which were divided into 5 groups...

Background: Averrhoa bilimbi Linn. (Oxalidiaceae) is very popular in folk remedy because the plant has high medicinal value and majority parts of such as leaf, fruit flower are used to treat fever, mumps, pimple, inflammation, rheumatism, itches, boils, bilious colic, stomach ache, aphthous ulcer, cough, cold, syphilis, hypertension, diabetes etc. However, so far no scientific work been perform...

calcium, through its various channels involves in local, spinal and supra-spinal transmission of pain. in the present study, we investigated the separate and combined treatment effects of verapamil (a calcium channel blocker), morphine (an opioid agonist) and naloxone (an opioid antagonist) on pain in the orofacial region of rats. orofacial pain was induced by subcutaneous (sc) injection of for...