Effect of noradrenaline on rabbit jejunum
http://www.sciepub.com/reference/57699 WebThe effects of sympathomimetic amines on fresh segments of isolated rabbit jejunum were compared with segments previously stored at 6-8°C for 24 to 72 hr. Small doses of …
Effect of noradrenaline on rabbit jejunum
Did you know?
WebThe effects of noradrenaline and isoprenaline were examined on preparations of guinea-pig ileum, in which contractions were induced by three different methods; by transmural electrical stimulation, by exogenous carbachol and by potassium depolarization. Alpha- or beta-adrenoceptor-mediated responses were examined by construction of cumulative … Web3) mimic the effect of NE. TTX reduced the inhibition by RI. Our results suggest that muscular α 1, β 2, and β 3 receptor mechanisms mediate adrenergic inhibition of contractility in rat jejunum. β 2 mechanisms seem to involve also neural pathways. Keywords Contractility.Motility.Jejunum.Rat.Invitro. Adrenergic.Adrenergicreceptor.α-Adrenergic
WebOct 1, 1973 · Prostaglandin generation maintains the smooth muscle tone of the rabbit isolated jejunum. Brit. J. Pharmacol., 44 (1972), p ... Effect of frequency of stimulation on the inhibition by noradrenaline of the acetylcholine output from parasympathetic nerve terminals. ... The effects of sympathetic nerve stimulation and guanethidine on ... WebBoth the extract and adrenaline produced similar vasodilative effects on rabbit jejunum, the latter produced more pronounced effect (Figures 5 and 6) indicated by bigger troughs ( Figure 6 ). This ...
WebSympathetic nerve stimulation, guanethidine and noradrenaline reduced the release of acetylcholine from resting rabbit intestine by up to 70%. Sympathetic stimulation and … Webto (-)-noradrenaline dependeduponthepre-existence ofanervoustone. Stimulationof perivascular nervesto therabbitjejunumcausedrelaxa- tion of the longitudinal muscle …
WebWhen a clear blocking effect of guanethidine is observed, repeat the doseresponse curve for noradrenaline. The sensitivity to noradrenaline should be maintained during …
WebEffects of noradrenaline on coronary flow and heart contraction, as recorded concurrently in the isolated rabbit heart J Physiol . 1951 Apr;113(2-3):365-71. doi: … ticketmaster tweet taylor swiftWebagonists, noradrenaline, under in vitro conditions. The research was carried out on 24 fattening turkeys. Tests of circular and longitudinal layers of muscular duodenum, … the litany of the virgin maryWebHowever, in rabbits pretreated with captopril (1 mg/kg) in addition to desipramine, the sympathoinhibitory effect of propranolol was not observed. These results suggest that … ticketmaster turnpike troubadoursWebrelease from guinea-pig colon (Beani, Bianchi & Crema, 1969) and from rabbit jejunum (Vizi, 1970). The experiments described in this paper deal with the inhibitory effect of nor-adrenaline and of sympathetic stimulation on acetylcholine release as a function of the duration (number of shocks delivered) and the frequency of parasympathetic ticketmaster tutorialWebTraductions en contexte de "serotonin stimulates" en anglais-français avec Reverso Context : Exogenous serotonin stimulates sodium influx in Unionid mussels and in isolated gill tissue, which suggests that sodium transport in mussels is regulated by serotonin. ticketmaster tucson arizonaWebChanges in membrane potential during norepinephrine-induced contractions in the rabbit mesenteric resistance artery (3rd or 4th branch) were investigated using microelectrodes. ... (-6) M depolarized the membrane and induced contractions dose-dependently. Maximum effects were produced by 10(-4) M norepinephrine. Depolarization was maintained at ... the litany of waitingWebDec 3, 2015 · Effects of electrical and chemical stimulation with Noradrenaline on a section of rabbit jejunum and the effects of their inhibition by Guanethidine - Biology … ticketmaster twenty one pilots chicago