(a.) Such as must be; impossible to be otherwise; not to be avoided; inevitable.
(a.) Impossible to be otherwise, or to be dispensed with, without preventing the attainment of a desired result; indispensable; requiste; essential.
(a.) Acting from necessity or compulsion; involuntary; -- opposed to free; as, whether man is a necessary or a free agent is a question much discussed.
(n.) A thing that is necessary or indispensable to some purpose; something that one can not do without; a requisite; an essential; -- used chiefly in the plural; as, the necessaries of life.
(n.) A privy; a water-closet.
(n.) Such things, in respect to infants, lunatics, and married women, as are requisite for support suitable to station.
Example Sentences:
(1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
(2) The low affinity of several N1-alkylpyrroleethylamines suggests that the benzene portion of the alpha-methyltryptamines is necessary for significant affinity.
(3) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
(4) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
(5) In practice, however, the necessary dosage is difficult to predict.
(6) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
(7) 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.
(8) 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.
(9) Obamacare price hikes show that now is the time to be bold | Celine Gounder Read more No longer able to keep patients off their plans outright, insurers have resorted to other ways to discriminate and avoid paying for necessary treatments.
(10) Duesberg contends that HIV is neither necessary nor sufficient to cause AIDS.
(11) It is therefore necessary, to look at typical clinical manifestations, i.e.
(12) We have examined the in vitro membrane assembly characteristics of a variety of leader peptidase mutants and found that domains required for insertion in vivo are also necessary for insertion in vitro.
(13) Two hours after the administration, the combinations of ethanol plus diazepam and ethanol plus meclophenoxate impaired significantly the number of necessary repetitions.
(14) The first experiment gave good results, although only one participant had any previous experience of hinge axis location, and it is debatable whether or not this experience is necessary before satisfactory results can be obtained.
(15) For consistent identification of the normal pancreas, preliminary longitudinal scanning at, or near, the mid-line and subsequent oblique scanning in the long axis are necessary prerequisites in delineating the anatomic outline of the pancreas.
(16) Survival and healing of "extremely severe" grade intoxication can only be obtained through a surgical intervention within the first hours; a laparotomy will indicate the depth of the lesions, which is not determined by endoscopy, and will consist of Celerier's stripping method and if necessary a gastrectomy, more seldom a cephalic duodeno-pancreatectomy.
(17) Socio-economic improvement or behavioural changes appear necessary for the control of trachoma in endemic areas.
(18) This stimulation is mediated by one receptor with an apparent affinity of 3.3 X 10(-6) M. The hydroxyl group in the para position on phenylethanolamine was absolutely necessary to obtain an agonist whereas the meta hydroxyl group or the presence of a catechol almost suppressed the activity.
(19) Provided that adequate reflection is given and the appropriate moment chosen, it is well tolerated and provides all the necessary information.
(20) Total excisional biopsy is necessary to properly assess an adenoma microscopically.
Requisite
Definition:
(n.) That which is required, or is necessary; something indispensable.
(a.) Required by the nature of things, or by circumstances; so needful that it can not be dispensed with; necessary; indispensable.
Example Sentences:
(1) This result contraindicates a general permissive-requisite role for forebrain NE for the mammalian brain's plasticity during its critical periods.
(2) Swarming is a requisite for mating in populations of Aedes communis and Ae.
(3) It is considered that foetal maturity is the pre-requisite before a decision to induce should be made in practice, and 3 criteria are essential: 1) a gestational length of greater than 320 days, 2) substantial mammary development, 3) the presence of colostrum in the mammae.
(4) It appears that channel catfish B cell mIg capping, presumably a requisite for immune function, can be significantly affected by environmental temperatures; most likely such effects are attributable to changes in plasma membrane viscosities.
(5) A requisite step in the biosynthesis of tRNA is the removal of 5' leader sequences from tRNA precursors.
(6) The results show that COMT is the major extraneuronal noradrenaline-metabolizing enzyme of rabbit aorta, that inhibition of COMT is a pre-requisite for any corticosterone-sensitive accumulation of noradrenaline, that there are two important extraneuronal compartments (compartments III and IV; Henseling et al., 1976a), and that inhibitors of extraneuronal uptake inhibit both, influx and efflux of noradrenaline.
(7) In both non-aligned and head-aligned modes, subject instructions pertaining to the second target light concerned only gaze; there was no requisite head position.
(8) Critical non-hemolytic swelling with resulting stress on the membrane appears requisite to slow phase hemolysis since more non-penetrant sucrose is required to prevent slow phase lysis rather than that which would be predicted from the intracellular colloid osmotic pressure due to hemoglobin.
(9) Distinctions between normal age-related changes and disease signs and symptoms are explained to provide emergency department nurses with the requisite information to care for the elderly appropriately.
(10) A requisite level of linoleic acid is needed for this promotion.
(11) These results are consistent with the postulate that the general transcriptive and replicative control processes operating during development may involve changes in the level of the requisite polymerases.
(12) The influence of pH, algal concentration, and algal growth phase on the requisite cationic flocculant dose is also reported.
(13) To ascertain the actual state of dental health among the school population, with a view to taking the requisite preventive and corrective measures.
(14) The pre-requisite for running such a programme is a systematic approach to these attitudes among the staff, and the prescribing patterns by physicians.
(15) Comparison with the structure of papain-stefin B complex indicates that the structure of the Gln-Val-Val-Ala-Gly sequence itself is not necessarily the essential requisite for inhibitory activity.
(16) It is shown what this can look like and what are the pre-requisites and general conditions to achieve it.
(17) These data suggest that the phenolic hydroxyl of Tyr 248 does not act as the requisite general acid catalyst but participates in ligand binding.
(18) The requisite conformation for blocking dopamine uptake appears to be defined by the combination resulting from superimposition of the CP-24,441 and nomifensine structures.
(19) It is suggested on the basis of the structural similarity that these heptalaminar complexes of close plasmalemmal apposition represent the structural equivalent of gap junctions and may be sites of intercellular communication requisite for transmural passage.
(20) Accurate reconstructions of all capsular ligament lesions and the reinforcement by threads of the requisite connective tissue transplants, show good stability and a good overall result four years after the operation in a relatively small number of patients.