نتایج جستجو برای: guinea pig
تعداد نتایج: 61258 فیلتر نتایج به سال:
objective(s) in the present study, the effects of aqueous-ethanolic extract from rosa damascena on heart rate and contractility were examined. materials and methods isolated guinea-pig hearts were perfused through aorta in a langendorff mode. heart rate (hr) and contractility were determined in the presence of four concentrations of the extract (0.1, 0.2, 0.4 and 1.0 mg %) and isoprenaline (1, ...
introduction: it is believed that injury potential has a regulatory role in wound healing process and the application of exogenous electrical stimulation may serve to mimic the natural endogenous bioelectric current so that can improve the wound healing. up to now, this hypothesis has not been researched in surgically acute wounds. materials and methods: thirty nine male guinea pigs were random...
The metabolism of N-[3,5-3H]nitroso-2,6-dimethylmorpholine (NDMM) was studied in female Sprague-Dawley rats. Syrian golden hamsters, and guinea pigs. NDMM induces tumors in the esophagus in rats, pancreatic cancer in hamsters, and hemangioendothelial tumors of the liver in guinea pigs. An intragastric dose of NDMM (2 mg, 2 muCi/animal) was rapidly distributed throughout the tissues of both the ...
The growth characteristics of guinea pig cytomegalovirus (GPCMV) and guinea pig herpes-like virus (GPHLV) in cell cultures were compared. Guinea pig fibroblast cells were highly susceptible to infection with both viruses, whereas guinea pig kidney cells were sensitive only to GPHLV. No cytopathic effect was observed in the latter cell system after infection with GPCMV,nor was there an increase ...
PURPOSE To characterize the fate of Lewis rat corneas transplanted to Hartley guinea pigs. METHODS Full-thickness Lewis rat corneal buttons were grafted orthotopically to Hartley guinea pigs (xenografts), ACI rats (allografts), or Lewis rats (isografts). Two panels of recipients were presensitized with xenogeneic skin grafts or allogeneic skin grafts. Serum samples were collected pre- and pos...
Salmonella outbreaks have been linked to a wide variety of foods, including recent nationwide outbreaks. Guinea pig (Cavia porcellus), also known as cuy or cobayo, has long been a popular delicacy and ceremonial food in the Andean region in South America. This case report describes three family outbreaks of nontyphoidal salmonellosis, each occurring after a meal of guinea pigs. We believe this ...
PURPOSE To characterize gene expression patterns in guinea pig ocular tissues and identify orthologs of human genes from NEIBank expressed sequence tags. METHODS RNA was extracted from dissected eye tissues of 2.5-month-old guinea pigs to make three unamplified and unnormalized cDNA libraries in the pCMVSport-6 vector for the lens, retina, and eye minus lens and retina. Over 4,000 clones were...
Introduction Conclusions References
The 2015 Medical History William Bynum Prize attracted a strong field of 12 entries, of which at least half are clearly of publishable quality. The four-person committee deliberated carefully on the essays. A small cluster stood out, necessitating a second round of deliberations. First prize was awarded to the essay by Lori Jones of the University of Ottawa, entitled ‘When Medical Texts Double ...
Potentiation of toxicity and positive inotropic effect of ouabain by furosemide in guinea pig heart.
The present study was undertaken to elucidate the potentiation by furosemide of toxicity and positive inotropic effect of ouabain in guinea pigs. Arrhythmogenic responses to ouabain as well as the lowering of its lethal dose were potentiated by pretreatment with furosemide in guinea pigs. The potentiation of ouabain toxicity after furosemide administration was inhibited by pretreatment with pot...
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