What's the difference between pertinacious and pertinent?

Pertinacious


Definition:

  • (a.) Holding or adhering to any opinion, purpose, or design, with obstinacy; perversely persistent; obstinate; as, pertinacious plotters; a pertinacious beggar.
  • (a.) Resolute; persevering; constant; steady.

Example Sentences:

  • (1) During the Nazi regime, the official "health command" policy monitored by the Nazi party promoted home delivery under midwife supervision, both by pertinacious propaganda and partly also by decrees and ordinances.

Pertinent


Definition:

  • (a.) Belonging or related to the subject or matter in hand; fit or appropriate in any way; adapted to the end proposed; apposite; material; relevant; as, pertinent illustrations or arguments; pertinent evidence.
  • (a.) Regarding; concerning; belonging; pertaining.

Example Sentences:

  • (1) Basing the prediction of student performance in medical school on intellective-cognitive abilities alone has proved to be more pertinent to academic achievement than to clinical practice.
  • (2) This empirical fact has in recent years been increasingly dealt with in pertinent German-language literature, the discussion clearly emphasizing the demand that programmes aimed at the vocational qualification of unemployed disabled persons be provided, along with accompanying measures.
  • (3) Methods are in development that will allow determination of absolute blood flow in pertinent vessels via IV-DSA.
  • (4) Among all subgroups, the odds ratios adjusted for pertinent confounders and interactions fluctuated randomly by about 0.9 and showed no consistent trend with increased alcohol consumption.
  • (5) It seems particularly pertinent to the assessment of the significance of "R on T" type of ventricular extrasystoles in myocardial infarction.
  • (6) The above observations concerning changes in the system of atrial hormones together with pertinent data in the literature suggest that a factor produced by the system may be involved in the complex mechanism of acceleration-induced effects on the animal body.
  • (7) Five clinically and microscopically confirmed cases of cardiac tamponade as the first manifestation of pulmonary adenocarcinoma are reported along with a review of pertinent literature.
  • (8) The pool concentrations are presented as a function of time in conditions in which various pertinent parameters of the system are modified.
  • (9) Pertinent information concerning impression making, sculpturing, coloring, and processing to insure esthetically and functionally accepted prostheses is presented.
  • (10) Three long-time and two ore three respectively shorter observations of scoliotics with syringomyelia are presented and the pertinent literature is discussed including the complex etiopathogenesis.
  • (11) Conventional dietary categories, particularly frugivory, are inadequate for organizing the behavioral and anatomical evidence pertinent to evolutionary adaptation.
  • (12) The varying potency of the nonoxynols with respect to their IC50 values corresponds to the pertinent lipophilic nature of each compound.
  • (13) This communication discusses seven cases of plasma cell tumors isolated to the head and neck and reviews the pertinent literature.
  • (14) Active Surveillance decreases the possibility of misidentifying abuse related deaths as accidental, and allows state agencies to follow abuse fatalities, collecting pertinent information and adjusting policy accordingly.
  • (15) The basic features of this scheme may be pertinent to the mechanisms by which hormone receptors normally modulate adenylate cyclase.
  • (16) The system also allows listing of both the radiographic findings pertinent to a specific diagnosis and all diagnoses in which a particular finding or combination of findings occur.
  • (17) At a time when the intrauterine diagnosis of hydrocephalus is commonplace and pioneering efforts of antenatal therapy are evolving, review of the chronology of treatment of this disorder becomes pertinent.
  • (18) The case histories are described and the pertinent literature is discussed.
  • (19) Pertinent data regarding the fate and transport of PCNB in air could not be located in the available literature as cited in the Appendix.
  • (20) Based on current medical knowledge and on pertinent ethical reasoning, it is argued and recommended that almost always, if possible, aggressive management should be favored.