(v. t.) To put force, ability, or anything of the nature of an active faculty; to put in vigorous action; to bring into active operation; as, to exert the strength of the body, limbs, faculties, or imagination; to exert the mind or the voice.
(v. t.) To put forth, as the result or exercise of effort; to bring to bear; to do or perform.
Example Sentences:
(1) In some experiments heart rate and minute ventilation (central vactors) appear to be the dominant cues for rated perceived exertion, while in others, local factors such as blood lactate concentration and muscular discomfort seem to be the prominent cues.
(2) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
(3) A complex of vitamins exerting a protective action on the system of coenzymic acetylation in the body have been tried.
(4) The photoinactivating effect of DMCT was also exerted upon other animal viruses tested, i.e.
(5) Both Diltiazem and Trifluoroperazin exerted a protective effect on the preservation of enzymatic activities and of ultrastructure in conditions of impaired calcium homeostasis.
(6) We have investigated the bacterial antagonism exerted in oral secretion by alpha-hemolytic streptococci against S. aureus and S. epidermidis.
(7) The hypothesis that monohydroxy bile acids exert their cholestatic and hepatotoxic effects via a sustained elevation of cytosolic [Ca2+] was tested in the isolated perfused rat liver.
(8) It is well established that the renal medulla exerts a potent endocrine-like antihypertensive action.
(9) (1) EXCP appears to be a more serious finding only in those higher risk individuals with either a positive EXECG or lower MAXRPP; (2) EXCP and its interactions may help discriminate between anginal and nonanginal, exertional chest pain, and (3) the contradictory results found when EXCP was allowed to interact may explain conflicting results in previous multivariate models regarding the predictive significance of EXCP.
(10) Pitch forward head movements exerted the strongest effect.
(11) Adenine sulfate, at the 0.01 mM level, was found to exert a significant protective effect.
(12) The effects exerted on the cervical spine by a traction of 150 N was studied by means of an improved radiographic technique.
(13) Furthermore, effector TH cells within the two compartments exert differential effector activities: splenic effector TH cells induce B cells to both proliferation and maturation, while thymic effector TH cells are defective in activating B-cell maturation.
(14) None of the treatments exerted any effect on fasting or one-hour insulin levels.
(15) These data support the conclusion that there are mechanisms intrinsic to each tissue which exert a degree of control during growth over its chemical composition; therefore, growth itself can be considered an intrinsic regulatory mechanism.
(16) It is concluded that ACh exerts a direct, excitatory action on geniculate neurons.
(17) Oxygen administered after arthritis is advanced still exerted a significant curative effect.
(18) This residue is thus non-essential for cardiotoxin to exert its biological action.
(19) 4-S-Cysteinylphenol (4-CP) has been shown to exert selective toxicity to melanocytes, causing growth inhibition of experimental malignant melanoma.
(20) A clear structure-mutagenicity relationship was observed in a series of aporphine alkaloids (aporphine, dehydroaporphine, 7-oxoaporphine and 4,5-dioxoaporphine), and 10,11-non-substituted aporphines were suggested to exert their mutagenicity through metabolic activation of the 10,11 positions, possibly as the 10,11-epoxides.
Maintain
Definition:
(v. t.) To hold or keep in any particular state or condition; to support; to sustain; to uphold; to keep up; not to suffer to fail or decline; as, to maintain a certain degree of heat in a furnace; to maintain a fence or a railroad; to maintain the digestive process or powers of the stomach; to maintain the fertility of soil; to maintain present reputation.
(v. t.) To keep possession of; to hold and defend; not to surrender or relinquish.
(v. t.) To continue; not to suffer to cease or fail.
(v. t.) To bear the expense of; to support; to keep up; to supply with what is needed.
(v. t.) To affirm; to support or defend by argument.
Example Sentences:
(1) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
(2) Despite their absence, photoreceptors maintained a normal rate of OS assembly.
(3) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
(4) Nasotracheal intubation has been well established as a method for maintaining an artificial airway in children.
(5) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
(6) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
(7) While they may always be encumbered by censorship in a way that HBO is not, the success of darker storylines, antiheroes and the occasional snow zombie will not be lost in an entertainment industry desperate to maintain its share of the audience.
(8) Four patients died while maintained on PD; three deaths were due to complications of liver failure within the first 4 months of PD and the fourth was due to empyema after 4 years of PD.
(9) Subunits maintained under the above ionic conditions were compared with 30S and 50S particles at low (6 mM) magnesium concentration with respect to the reactivity of individual ribosomal proteins to lactoperoxidase-catalyzed iodination.
(10) Although temazepam was effective for maintaining sleep with short-term use, there was rapid development of tolerance for this effect with intermediate-term use.
(11) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
(12) For enrolled nurses an increase in "Intrinsic Job Satisfaction" was less well maintained and no differences were found over time on "Patient Focus".
(13) The birds were maintained at a constant temperature in, dim green light.
(14) The difference in the volume of diuresis was maintained after intravenous injection of 20 mg of frusemide.
(15) These levels are sufficient to maintain normal in vivo rates of mRNA and rRNA synthesis, but the average density of packing of polymerases on DNA is considerably less than the maximum density predicted by Miller and Bakken (1972), suggesting that initiation of polymerases of DNA is a limiting factor in the control of transcription.
(16) As total pancreatectomy markedly reduces the pancreatic hormone level, leading to a mortal hypoglycaemia, we attempted to maintain plasma glucose within the normal range by constant I.V.
(17) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
(18) The return of NE to normal levels after one month is consistent with the observation that LH-lesioned rats are by one month postlesion no longer hypermetabolic, but display levels of heat production appropriate to the reduced body weight they then maintain.
(19) The UNTR rats were subjected to a continuous food restriction to maintain body weights equal to those of the TR rats.
(20) During periods of wet steam it was impossible to maintain consistent sterility of the mouse pellets even using a cycle of 126 degrees C for 60 minutes.