What's the difference between necessity and requisite?

Necessity


Definition:

  • (n.) The quality or state of being necessary, unavoidable, or absolutely requisite; inevitableness; indispensableness.
  • (n.) The condition of being needy or necessitous; pressing need; indigence; want.
  • (n.) That which is necessary; a necessary; a requisite; something indispensable; -- often in the plural.
  • (n.) That which makes an act or an event unavoidable; irresistible force; overruling power; compulsion, physical or moral; fate; fatality.
  • (n.) The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.

Example Sentences:

  • (1) The indication of the DNA probe method would be considered in the four cases as follows, 1. necessity of the special equipment to isolate the pathogen, 2. necessity of the long period to isolate the pathogen, 3. existence of the cross reaction among the pathogen and relative organisms in the immunological procedure, 4. existence of the difficulty to identify the species of the pathogen by the ordinary procedure.
  • (2) Among 159 patients studied, the severity most frequent was Yahr stage 3 (63%) at first examination, indicating the necessity of earlier diagnosis.
  • (3) When a product is selected for a patient, consideration should be given to necessity, efficacy, adverse effects, and cost-effectiveness.
  • (4) Discussion deals with the plurality, specificity, variability, perceived necessity, sufficiency, international utility and career significance of British postgraduate qualifications.
  • (5) As a result of recent environmental changes in the health care industry, marketing has become a vital necessity for the survival of most hospitals.
  • (6) There is a necessity for early definitive decision-making in the borderline orthognathic surgery patient and the role of orthodontic camouflage is pointed out.
  • (7) For Kohut, interpretation depends on the prior establishment of a stable, sustaining transference; human connexion is a lifelong necessity and full understanding an achievable aim.
  • (8) Management and treatment issues are surveyed, such as the necessity to recognize that in some adolescents violence erupts not from narcissitic rage but from strong wishes for affectionate contact.
  • (9) A prospective study of the necessity of sedation, or analgesia, or both in total colonoscopy was performed.
  • (10) The authors report on the casuistry of aorto-coronary by-pass operations they performed between April 1971 and December 1974, discussing the criteria which indicate the necessity of operating, the principles of the operative techniques, and the results obtained.
  • (11) This case, despite the fatal outcome, emphasises the necessity for a comprehensive approach to the diagnosis of atypical pneumonia, including culture for Legionella, especially in immunocompromised patients.
  • (12) The sonographic method, with a 97.7% specificity and a negative predictive value of 89.5%, proved to be specific enough to eliminate the necessity of routine catheterization for measuring residual bladder volumes of greater than or equal to 150 cm3, thus decreasing the incidence of some major postoperative complications that can occur due to unnecessary catheterization.
  • (13) The development of gallstones following this procedure, however, has become more problematic in that further opeation becomes a real necessity.
  • (14) The necessity of using immunohistochemistry in the diagnosis of sinonasal tumours of fibromatous nature is emphasized.
  • (15) The experience with 1896 restorative operations on injured nerve trunks shows a necessity to consider the problems of diagnosis, prognosis and choice of the treatment, and especially the results of the nerve suture, not in all patients with nerve injury but only in separate groups being comparable with respect to the kind and severity of the trauma.
  • (16) Clinico-immunological studies on the use of drugs containing synthetic and biological polymers revealed their high immunomodulating activity and necessity of differentiated use of these drugs with relation to the pathogenetic mechanisms of development of bronchopulmonary diseases as well as mechanisms of their immunological action determined by the molecular mass of polymers as constituents of blood substitutes.
  • (17) We consider that the rarity of stricture rules out the necessity of any change in management, whether or not erosive oesophagitis is observed at endoscopy.
  • (18) The discrepancy between the judgement of the insurance company based upon the medical records and the patients complaints also 4-7 years after injury as well as the diversification of therapeutical procedures used in the long term patients career are indicating a necessity of prospective study on cervical spine injury.
  • (19) Through small and large acts of deprivation and destruction we follow the process: the removal of hope, of dignity, of luxury, of necessity, of self; the reduction of a man to a hoarder of grey slabs of bread and the scrapings of a soup bowl (wonderfully told all this, with a novelist's gift for detail and sometimes very nearly comic surprise), to the confinement of a narrow bed – in which there is "not even any room to be afraid" – with a stranger who doesn't speak your language, to the cruel illogicality of hating a fellow victim of oppression more than you hate the oppressor himself – one torment following another, and even the bleak comfort of thinking you might have touched rock bottom denied you as, when the most immediate cause of a particular stress comes to an end, "you are grievously amazed to see that another one lies behind; and in reality a whole series of others".
  • (20) In light of the AIDS epidemic and the necessity for safe-sex practices, the topic of caution and prevention is an emerging and critical discourse for the sexual encounter.

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.