(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.
Oppose
Definition:
(n.) To place in front of, or over against; to set opposite; to exhibit.
(n.) To put in opposition, with a view to counterbalance or countervail; to set against; to offer antagonistically.
(n.) To resist or antagonize by physical means, or by arguments, etc.; to contend against; to confront; to resist; to withstand; as, to oppose the king in battle; to oppose a bill in Congress.
(n.) To compete with; to strive against; as, to oppose a rival for a prize.
(v. i.) To be set opposite.
(v. i.) To act adversely or in opposition; -- with against or to; as, a servant opposed against the act.
(v. i.) To make objection or opposition in controversy.
Example Sentences:
(1) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(2) Biden will meet with representatives from six gun groups on Thursday, including the NRA and the Independent Firearms Owners Association, which are both publicly opposed to stricter gun-control laws.
(3) The results indicated that smoke, as opposed to sham puffs, significantly reduced reports of cigarette craving, and local anesthesia significantly blocked this immediate reduction in craving produced by smoke inhalation.
(4) 3) The magnitude of K+ release is the ratio of two opposing mechanisms, a passive efflux and an active reuptake.
(5) We are firmly opposed to that," an unidentified spokesman from the ministry of industry and information technology told the state news agency, Xinhua.
(6) Each axon had a characteristic head position which was maximally excitatory to it, and a diametrically opposed head position which was minimally excitatory.3.
(7) As opposed to the other tests for LPD, awareness of the usefulness of the biopsy has increased as we have learned more about CL physiology.
(8) Strict fundamentalists oppose music in any form as a sensual distraction - the Taliban, of course, banned music in Afghanistan.
(9) The interaction between PE and E-IgG involved the extension of micropseudopods toward adherent E-IgG, the formation of a linear uniform cap of roughly 200 A between opposing cell membranes, the ingestion of E-IgG by PE into a membrane-lined compartment, and the disintegration of the ingested ligand into membranous debris.
(10) It is contended that the latter is the main factor in its production as opposed to the more common external rotation variety.
(11) Loyalists are opposed to any restrictions and have blocked roads and rioted over the issue.
(12) But today, Americans increasingly no longer shy away from saying they oppose mosques on the grounds that Muslims are a threat or different.
(13) In contrast, large territories may reflect widespread motor-unit actions, advantageous in force development where fine movement control is less important, as in biting in the intercuspal position or opposing gravity.
(14) Burns has a successful track record of opposing fees.
(16) And in terms of genuine defence needs (as opposed to state militarism), what greater known threat is there to human security than the prospect of runaway climate change?
(17) As opposed to nifedipine charybdotoxin shows no effect if added 18 h after the initiation of the activation process.
(18) RR spectra of fatty acyl-CoA and its complexes are consistent with the previous hypothesis that visible spectral shifts observed during formation of acetoacetyl-CoA and crotonyl-CoA complexes of fatty acyl-CoA dehydrogenase result from charge-transfer interactions in which the ground state is essentially nonbonding as opposed to interactions in which complete electron transfer occurs to form FAD semiquinone.
(19) The remarks are the most direct official response on the issue, although the government has previously said that it "resolutely opposes" hacking and criticised "baseless" claims.
(20) A lawyer advising one of the newspaper groups opposing the deal said: "All the regulator has to prove is that there is a potential for a reduction in plurality in the UK.