(v. t.) To contend with; to oppose actively; to counteract.
(v. i.) To act in opposition.
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.
Pester
Definition:
(v. t.) To trouble; to disturb; to annoy; to harass with petty vexations.
(v. t.) To crowd together in an annoying way; to overcrowd; to infest.
Example Sentences:
(1) The creation of Albion’s second goal was more artful, even if it started with Özil being pestered into surrendering possession near halfway.
(2) It was Tim, an archivist from Warners whom I had been pestering for years about trying to track down some long-lost film footage.
(3) They should not pressure children or pester parents to buy products, and promotional offers should be used with a "due sense of responsibility".
(4) The allegations are sure to concern many parents whose children are pestering them to buy the extensive range of Cars 2 toys launched to coincide with the movie, which hit UK cinema screens in July.
(5) Professional irritant Kenny Miller wins a corner down the right, with some incessant pestering.
(6) For a year I have been pestered with: "X has got Facebook.
(7) He kept pestering her, phoning and phoning and phoning her."
(8) But while the Christians are still pestering God, the end-of-daysers awaiting Armageddon, and the Aryan brothers proving the least convincing imaginable argument for the superiority of their race, things have changed quite drastically in porn, which has been even more vulnerable than cinema, TV or music to the predations of the internet.
(9) Kala-azar (KA), an enigmatic disease has resurged in India since 1970's after about a lull of 20 years, displaying its pestering nature.
(10) The band became pally with him and pestered for a support slot when his Black Pus project (another great name) came to town.
(11) After a bit of good-natured pestering, she agrees to sell all of us one drink so we can discuss the heady topic of race in America while slightly intoxicated.
(12) Artists don't stand next to their artwork in galleries pestering the public to part with their pound coins.
(13) For now he is determined to stick with his work in the building industry, despite his workmates pestering him for the odd Victoria sponge or carrot cake.
(14) Nine hours working as an exterminator takes a physical toll on the 45-year-old , who didn’t go to college, makes $33,000 a year, and relies on a steady swarm of pests to pester people in his 90% rural county.
(15) The new boss, Paul Pester, whose £1.6m outstanding bonuses from Lloyds are to be transferred to TSB, is also aiming for growth in current accounts, where it has only 4.2% market share despite having some 6% of high street branches.
(16) There are some innovative ideas about, he says, on ways of teaching children in school to wash their hands – in the hope that they will then go home and pester their parents to do the same.
(17) Joleon Lescott, who endured a torrid debut for Villa, and Micah Richards were pestered into errors in the opening minutes and the latter was especially relieved that Danny Drinkwater’s shot from 25 yards flew over the bar.
(18) Paul Pester, chief executive of TSB, said the branches that were closing were within 500 metres of another TSB branch and were part of the estate it inherited when it was carved out of Lloyds Banking Group last year.
(19) Pester said the bank had achieved its target of winning more than 6% of all new current accounts and those being switched between banks.
(20) Pester added that, of the 631 branches TSB started with, there were 15 locations where two or three branches were “within spitting distance of each other”.