(n.) A process or condition of acting or moving, as opposed to rest; the doing of something; exertion of power or force, as when one body acts on another; the effect of power exerted on one body by another; agency; activity; operation; as, the action of heat; a man of action.
(n.) An act; a thing done; a deed; an enterprise. (pl.): Habitual deeds; hence, conduct; behavior; demeanor.
(n.) The event or connected series of events, either real or imaginary, forming the subject of a play, poem, or other composition; the unfolding of the drama of events.
(n.) Movement; as, the horse has a spirited action.
(n.) Effective motion; also, mechanism; as, the breech action of a gun.
(n.) Any one of the active processes going on in an organism; the performance of a function; as, the action of the heart, the muscles, or the gastric juice.
(n.) Gesticulation; the external deportment of the speaker, or the suiting of his attitude, voice, gestures, and countenance, to the subject, or to the feelings.
(n.) The attitude or position of the several parts of the body as expressive of the sentiment or passion depicted.
(n.) A suit or process, by which a demand is made of a right in a court of justice; in a broad sense, a judicial proceeding for the enforcement or protection of a right, the redress or prevention of a wrong, or the punishment of a public offense.
(n.) A right of action; as, the law gives an action for every claim.
(n.) A share in the capital stock of a joint-stock company, or in the public funds; hence, in the plural, equivalent to stocks.
(n.) An engagement between troops in war, whether on land or water; a battle; a fight; as, a general action, a partial action.
(n.) The mechanical contrivance by means of which the impulse of the player's finger is transmitted to the strings of a pianoforte or to the valve of an organ pipe.
Example Sentences:
(1) Power urges the security council to "take the kind of credible, binding action warranted."
(2) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
(3) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
(4) The following is a brief review of the history, mechanism of action, and potential adverse effects of neuromuscular blockers.
(5) However, the mechanism of the inhibitory action is still somewhat uncertain.
(6) "What has made that worse is the disingenuous way the force has defended their actions.
(7) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
(8) This was unlike the action of the calcium channel blocker, cadmium, which reduced the calcium action potential and the a.h.p.
(9) An initial complex-soma inflection was observed on the rising phase of the action potential of some cells.
(10) Most thyroid hormone actions, however, appear in the perinatal period, and infants with thyroid agenesis appear normal at birth and develop normally with prompt neonatal diagnosis and treatment.
(11) We are pursuing legal action because there are still so many unanswered questions about the viability of Shenhua’s proposed koala plan and it seems at this point the plan does not guarantee the survival of the estimated 262 koalas currently living where Shenhua wants to put its mine,” said Ranclaud.
(12) The evidence suggests that by the age of 15 years many adolescents show a reliable level of competence in metacognitive understanding of decision-making, creative problem-solving, correctness of choice, and commitment to a course of action.
(13) The blockade of H2 receptors is the primary action of these drugs; however, they possess also secondary actions which may represent untoward effects but in some cases may be actually useful (increase in prostaglandin synthesis, inhibition of LTB4 synthesis, etc.)
(14) It is concluded that in the mouse model the ability of buspirone to reduce the aversive response to a brightly illuminated area may reflect an anxiolytic action, that the dorsal raphe nucleus may be an important locus of action, and that the effects of buspirone may reflect an interaction at 5-hydroxytryptamine receptors.
(15) 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.
(16) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
(17) In oleate-labeled particles, besides phosphatidic acid the product of PLD action radioactivity was also detected in diglyceride as a result of resident phosphatidate phosphohydrolase, which hydrolyzed the phosphatidic acid.
(18) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
(19) When irradiated circular DNA, previously nicked by T4 endonuclease V, is briefly exposed to elevated temperature, the DAN becomes susceptible to the action of exonuclease V, and pyrimidine dimers are selectively released.
(20) The reproducibility of the killing-curve method suggests that at least two different concentrations should be used and that a decrease in viable counts below 2 log10 after 24 hours does not exclude a synergistic action.
Mechanism
Definition:
(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.