(n.) Opposition of action; counteraction or contrariety of things or principles.
Example Sentences:
(1) Intrathecal injection of zopiclone potentiated morphine antinociception, while the intracerebroventricular injection of zopiclone failed to enhance morphine antinociception and the intracerebroventricular injection of flumazepil to antagonize the intraperitoneal-zopiclone-induced increase in morphine antinociception.
(2) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(3) [Ca2+]i exhibited a sigmoidal dependence on [Na+]o. Mg2+, a competitive inhibitor of Na2+-Ca2+ antiport in these cells, antagonized the increase in [Ca2+]i produced by lowering [Na+]o.
(4) Increases in extracellular calcium antagonized the negative inotropic effect.
(5) In K+-depolarized basilar arteries, ifenprodil competitively antagonized the response to Ca2+, and this was enhanced by pre-incubation in calcium hopantenate.
(6) During the postovulatory phase, endogenous progesterone and the production of metabolites antagonized this effect.
(7) An antagonism is unlikely when ciprofloxacin is combined with one of the beta-lactams studied or with tobramycin.
(8) Co-application of CGS 9896, a benzodiazepine receptor antagonist, did not antagonize the guanidino compound-induced inhibition of GABA responses.
(9) Aortic rings from the rabbit were similarly potently antagonized by the protein kinase C inhibitors, however, K(+)-induced contractions were also equally sensitive to these agents in both rat and rabbit tissues.
(10) The biphasic response to (-)-(S)-Bay K 8644 and (+)-(S)-202-791 suggests that the properties of Ca++ channel activation and antagonism may reside within a single 1,4-dihydropyridine molecule.
(11) We have investigated the bacterial antagonism exerted in oral secretion by alpha-hemolytic streptococci against S. aureus and S. epidermidis.
(12) The marine natural product lophotoxin has produced a non-reversible antagonism of parasympathetic and sympathetic functions that are known to be mediated by C6 sub-type nicotinic receptors.
(13) Strains showing occasional antagonism at a particular proportion of concentrations of the test combination, were found to only be indifferent when the mean index of the fractional inhibition concentration of all checkerboard combinations was calculated.
(14) The omission of glucose induced a marked increase in the efflux of [3H]GABA, which was antagonized by TTX (1 microM), but not by MK 801 (1 microM) or DNQX (100 microM).
(15) The hyperthermia in rabbits caused by the serotonergic stimulants cited above is also antagonized by pretreatment with MS.
(16) The neuroleptic agents haloperidol, fluphenazine, domperidone, sulpiride and tiapride also antagonized emesis induced by cisplatin but only a proportion of the animals were completely protected and diazepam and prednisolone only reduced the intensity of the response.
(17) These results suggest that formoterol modifies allergen-induced airway responses through functional antagonism rather than the inhibition of inflammatory cell infiltration.
(18) Depolarizations induced by acetyl-Arg6-septide, a NK1-receptor selective agonist, were also antagonized by spantide with a pA2 of 6.5.
(19) 5-Hydroxytryptamine contracted the musculature from all parts of the respiratory tract-an effect which was specifically antagonized by both methysergide and atropine.4.
(20) K showed little activity against LTC4 but could antagonize more selectively H- and ACh-mediated effects.
Hostility
Definition:
(n.) State of being hostile; public or private enemy; unfriendliness; animosity.
(n.) An act of an open enemy; a hostile deed; especially in the plural, acts of warfare; attacks of an enemy.
Example Sentences:
(1) Some of their most cherished objectives, such as parliamentary reform, have been left as roadkill by the juggernauts of Tory and Labour hostility.
(2) Mars is a much more hostile environment than people realise, they point out.
(3) It's an attractive idea, and yet pride in Europe appears to be giving way to populism and hostility within the union.
(4) But even among the most hostile voters, only a third put Europe among the most crucial issues facing the country.
(5) Afghan officials in the past have expressed fears that soldiers sent to Pakistan could be recruited as spies or that their careers would be stunted by the deep hostility that Afghans harbour towards Pakistan.
(6) Michael Holroyd, in his biography of George Bernard Shaw , gives an illuminating example of myopic hostility to Russia by the right even when we desperately needed allies.
(7) Overall, these results suggest that future research should investigate variables in addition to hostility in regard to risk for and protection from CHD.
(8) As important, if not more so, as his ambition to make exams tougher is his hostility towards other measures of ability, such as course work and controlled assessments.
(9) Journalists are being told to speak to public affairs office, but the public affairs office doesn't call them back or is hostile."
(10) Green groups were hostile or reacted cautiously to the report.
(11) To assess physiological and psychological states accompanying anabolic-androgenic steroid use, male weight lifters 1) were interviewed regarding their physical training and the patterns and effects of any drug use; 2) completed a written physical and medical history questionnaire, a Profile of Mood States questionnaire, and the Buss-Durkee Hostility Inventory; and 3) were physically examined, including a blood sample and urinalysis.
(12) The sugar tax was greeted with hostility by the industry and Wright argues that the levy, introduced by the chancellor in the budget , will be undermined by flawed analysis of its impact.
(13) Murdoch had one on his, of course, but because he was facing hostile interrogation he looked (unfairly) as if he were wearing it in self-protection as a symbol of his own virtue.
(14) Tory MEP Nirj Deva was one of several deputies to subject Mr Nielson to hostile questioning.
(15) Yet, the long list of allegations included no statement from Kenneth Bae, other than claims that he confessed and didn't want an attorney present during his sentencing last week for what Pyongyang called hostile acts against the state.
(16) We are effectively now placed in co-sovereignty with a hostile power.
(17) The inquiry’s chairman, Sir Thayne Forbes, a former high court judge, concluded in 2014 that the most serious claims were “deliberate lies, reckless speculation and ingrained hostility”.
(18) Faced with ever growing hostility to the EU, and to immigration, Clegg has decided to present the Liberal Democrats unambiguously as the party of "in" and of openness.
(19) The aim of this study was to determine how individual differences in cynical hostility and defensiveness interacted with situational demands to affect cardiovascular responses in a natural setting.
(20) The Saudis and other Gulf states still support rebel fighting formations – as much because of inertia and hostility to Iran as anything else – but western backing is on a downward trajectory as concerns mount about the risks of blowback from al-Qaida-linked groups.