(n.) The arrangement or relation of the parts of a machine; the parts of a machine, taken collectively; the arrangement or relation of the parts of anything as adapted to produce an effect; as, the mechanism of a watch; the mechanism of a sewing machine; the mechanism of a seed pod.
(n.) Mechanical operation or action.
(n.) An ideal machine; a combination of movable bodies constituting a machine, but considered only with regard to relative movements.
Example Sentences:
(1) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
(2) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
(3) Some common eye movement deficits, and concepts such as 'the neural integrator' and the 'velocity storage mechanism', for which anatomical substrates are still sought, are introduced.
(4) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
(5) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(6) It is concluded that amlodipine reduces myocardial ischemic injury by mechanism(s) that may involve a reduction in myocardial oxygen demand as well as by positively influencing transmembrane Ca2+ fluxes during ischemia and reperfusion.
(7) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
(8) The following is a brief review of the history, mechanism of action, and potential adverse effects of neuromuscular blockers.
(9) However, the mechanism of the inhibitory action is still somewhat uncertain.
(10) It also provides mechanical support for the collateral ligaments during valgus or varus stress of the knee.
(11) We studied the hemodynamic changes caused by bronchoscopy under LA in mechanically ventilated patients and the effect of LA on the endoscopic decline in arterial pO2.
(12) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
(13) Dilutional studies comparing the mechanism of inhibition of monoamine oxidase produced by Gerovital H3 and by ipronizid demonstrated that Gerovital H3 was a reversible inhibitor of monoamine oxidase.
(14) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
(15) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
(16) Thus, mechanical restitution of the ventricle is a dynamic process that can be assessed using an elastance-based approach in the in situ heart.
(17) The mechanism by which pertussis toxin (PT) breaks the unresponsiveness of delayed-type hypersensitivity (DTH) to sheep red blood cells (SRBC) was examined in B10 mice.
(18) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
(19) The macrophage-derived product, interleukin 1 (IL 1) is thought to play an important regulatory role in the proliferation of T lymphocytes; however, its mechanism of action is unknown.
(20) Adding a layer of private pensions, it was thought, does not involve Government mechanisms and keeps the money in the private sector.
Override
Definition:
(v. t.) To ride over or across; to ride upon; to trample down.
(v. t.) To suppress; to destroy; to supersede; to annul; as, one low overrides another; to override a veto.
(v. t.) To ride beyond; to pass; to outride.
(v. t.) To ride too much; to ride, as a horse, beyond its strength.
Example Sentences:
(1) Because haptenated cells can induce immunity if injected subcutaneously or into cyclophosphamide-pretreated recipients (thereby avoiding the induction of suppressor cells), we suggest that the activation of contrasuppressor cells by antigen-antibody complexes overrides suppressive influences in the host, allowing immunity to become dominant.
(2) Although B12 supplementation results in a 10-fold repression of metE-lacZ expression, homocysteine addition to the growth medium overrides the B12-mediated repression.
(3) Morrison and Operation Sovereign Borders commander Lieutenant General Angus Campbell continued to insist that their refusal to answer questions about “on water matters” was essential to meet the overriding goal of stopping asylum seeker boats, and said from now on such briefings on the policy would be held when needed, rather than every week because the “establishment phase” had finished.
(4) As a result, more and more people are beginning to look towards Irish reunification as being a real possibility.” The overriding issue, however, in this most marginal constituency in Northern Ireland is the old binary, sectarian one: the zero-sum game of orange versus green.
(5) For now, the overriding feeling is helplessness, tinged with shame for the last year of passivity.
(6) The negative feedback inhibition of physiological concentrations of IGF-I on GH, therefore, appears to override the potent stimulation of GH by these intracellular messengers.
(7) Glycosylation failed to completely override the transport block, but allowed some uncleaved hGH-DAF to pass through the secretory pathway and acquire endoglycosidase H resistance.
(8) Throughout, our correspondent establishes his overriding desire simply to be useful, even when he fears he might not be; to Charles Clarke, secretary of state for education – “If you can bear to receive a report on this year’s Education Summer School from someone with such old-fashioned views (!)
(9) Under some conditions, visual information can override auditory information to the extent that identification judgments of a visually influenced syllable can be as consistent as for an analogous audiovisually compatible syllable.
(10) A direction from the family court that an asylum seeker should have access to a child in Australia does not override the department’s obligation to remove the asylum seeker.
(11) These results demonstrate that ET-1 and possibly other vasoactive substances of endothelial origin, override the compensatory mechanism of normal pregnancy with respect to the blunted responsiveness to AII and VP.
(12) The overriding common features of these ailments are the gender of their sufferers and the behavioral symptoms they exhibit.
(13) It could be used: (1) to assure that only patients actually ingesting medication are used to evaluate new drugs, (2) to study the factors that influence compliance and strategies to improve compliance, (3) to prevent escalation to more toxic drugs or expensive diagnostic procedures when failure to respond is due to poor compliance, (4) to supervise compliance when society has an overriding interest in therapeutic success, and (5) to monitor the effects of air pollution.
(14) Possible explanations for this lack of effect include (1) interactions with NMDA receptor channels are pressure dependent; (2) other actions of these antagonists override their effects on the NMDA receptor channel.
(15) There is certainly no chance of the sort of "democratic override" that Pinto-Duschinsky himself favours.
(16) Now the vote is in, the overriding sense is of surprise and uncertainty.
(17) The diagnosis of overriding mitral valve should be suspected in any patient with significant conotruncal anomalies and underdeveloped left ventricle, especially the patient with double outlet right ventricle, and in the patient with endocardial cushion defect, hypoplasia of the left ventricle, and obstructive anomalies of the aortic arch.
(18) Filtering and randomization of stimulus timing may attenuate the effects of these overriding potentials.
(19) The difference in kinetics for reversal between these two treatments suggests that myo-inositol addition overrides a biochemical pathway while Ca2+ addition supplants a phosphoinositide-mediated rise in the cation that may be necessary for anaphase onset.
(20) A conclusion is offered that the quality of residential care is dependent on the interaction of variables rather than on the presence of any single overridingly powerful factor.