(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.
Provoke
Definition:
(v. t.) To call forth; to call into being or action; esp., to incense to action, a faculty or passion, as love, hate, or ambition; hence, commonly, to incite, as a person, to action by a challenge, by taunts, or by defiance; to exasperate; to irritate; to offend intolerably; to cause to retaliate.
(v. i.) To cause provocation or anger.
(v. i.) To appeal. [A Latinism]
Example Sentences:
(1) "Zayani reportedly cited the political sensitivity of naturalising Sunni expatriates and wanted to avoid provoking the opposition," the embassy said.
(2) They can rarely be detected spontaneously but most often are provoked.
(3) Lactate-induced anxiety and symptom attacks without panic were seen more often in the groups with panic attacks, but a full-blown panic attack was provoked in only four subjects, all belonging to the groups with a history of panic attacks.
(4) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
(5) Following treatment with reserpine or alternatively with a combination of phenothiazines (Randolektil, Majeptil) a drug-induced parkinsonoid reaction was provoked in rats.
(6) Studies were conducted in isolated, buffer-perfused rat lungs to determine if prostaglandin (PG) E1 attenuated pulmonary edema provoked by hydrogen peroxide (H2O2).
(7) It could provoke the gravest risk, that all three rating agencies declare a credit event and then there are big contagion risks for other countries," he said.
(8) Carotid nerves block provoked transient ventilatory depression, decreasing VT by 46% and fR by 26%, followed by recovery to steady-state values in VT, fR and PETCO2.
(9) The 2nd experiment investigated memory for details of a provoking experience.
(10) In normal as well as in cirrhotic subjects somatostatin infusion provoked a marked reduction of the IRI plasma level and this was uninfluenced by subsequent glucagon administration.
(11) Koons provoked a bigger stir with the news that he would be showing with gallery owner David Zwirner next year in an apparent defection from Zwirner's arch-rival Larry Gagosian, the world's most powerful art dealer.
(12) Pain relieved by antacids, age above 40 years, previous peptic ulcer disease, male sex, symptoms provoked by berries, and night pain relieved by antacids and food were found to predict organic dyspepsia with a sensitivity and specificity of approximately 70%, when applied on the observed material.
(13) Monosodium glutamate (MSG) taken per os has been found to stimulate gastric secretion provoked by pentagastrin.
(14) The higher degree of tachycardia in conscious dogs provoked by clenbuterol is a result of a reflex reaction to the vasodilation analogous to that of salbutamol.
(15) In some of the 10 patients who tolerated cow's milk challenge clinically there was an increase in both IgA- and IgM-containing cells suggestive of a local immunological reaction although no clinical intolerance was provoked and other immunological signs were weak or absent.
(16) They can genuinely believe their partner provoked them to commit the abuse, just so they could get them in trouble.
(17) After reviewing the immunological anomalies provoked by the human immuno-deficiency virus (HIV) as well as their implications in pulmonary pathology, the authors enumerate the diagnostic and therapeutic methods currently available in the treatment of patients suffering from AIDS and pulmonary diseases.
(18) Coronary spasm was provoked by ergonovine maleate in four of 12 patients in group A (33%) and in three patients in group B (18%).
(19) Similar areas provoked by exercise or atrial pacing represent the site of acute ischaemia.
(20) Insulin-induced hypoglycemia provokes polyribosome disaggregation and accumulation of monomeric ribosomes in the brain of rats with hypoglycemic paresis and coma.