What's the difference between permanent and perpetual?

Permanent


Definition:

  • (a.) Continuing in the same state, or without any change that destroys form or character; remaining unaltered or unremoved; abiding; durable; fixed; stable; lasting; as, a permanent impression.

Example Sentences:

  • (1) tRNA from mutant IB13 lacks 5-methylaminomethyl-2-thio-uridine in vivo due to a permanently nonfunctional methyltransferase.
  • (2) The diagnosis of anaplastic thyroid cancer, though suspected, was deferred for permanent sections in all cases.
  • (3) Though the 54-year-old designer made brief returns to the limelight after his fall from grace, designing a one-off collection for Oscar de la Renta last year , his appointment at Margiela marks a more permanent comeback.
  • (4) The first group was reared in complete darkness while the second one was subjected to permanent noise.
  • (5) Noise exposure and demographic data applicable to the United States, and procedures for predicting noise-induced permanent threshold shift (NIPTS) and nosocusis, were used to account for some 8.7 dB of the 13.4 dB average difference between the hearing levels at high frequencies for otologically and noise screened versus unscreened male ears; (this average difference is for the average of the hearing levels at 3000, 4000, and 6000 Hz, average for the 10th, 50th, and 90th percentiles, and ages 20-65 years).
  • (6) Electromagnetic interference presented as inhibition and resetting of the demand circuitry of a ventricular-inhibited temporary external pacemaker in a 70-year-old man undergoing surgical implantation of a permanent bipolar pacemaker generator and lead.
  • (7) A total of 27 reoperations including eight repeat PRs (5 of which were successful) was required to achieve permanent retinal reattachment.
  • (8) Thirteen of the dogs treated with various drug regimens lived for 90 days, after which time treatment was stopped; 10 of the dogs eventually rejected the grafts, but three had continued graft function for 6 months or longer and may be permanently tolerant.
  • (9) This article presents the case of bilateral absent maxillary permanent molars with severe oligodontia and no other abnormalities.
  • (10) The heretofore "permanently and totally disabled versus able-bodied" principle in welfare reforms is being abbandoned.
  • (11) Many reports of thyroid stimulating immunoglobulins (TSI) in relation to treatment of Graves' disease have been published and with variable results concerning prediction of permanent remission or relapse after therapy.
  • (12) Patients with Type 2 and Type 3 failure require permanent transfer to hemodialysis.
  • (13) Only two aviators were permanently removed from flying duties due to glaucoma.
  • (14) By parenteral nutrition, antibiotics and permanent paediatric care the authors controlled all complications and after eight and a half months the operated infant could be discharged.
  • (15) I have to do my best.” The Leeds sporting director Nicola Salerno told the news conference that it was unlikely there would be new permanent signings in the January transfer window, but that there would be the possibility for loan deals.
  • (16) After loss of permanent central incisors the treatment of choice could be either orthodontic closure or maintenance of the gap for a replacement-prosthetic, autotransplantation or implant.
  • (17) Thirty-three percent of patients (15 of 45) with MAC required permanent pacemaker implantation after aortic valve replacement, compared with only 10% of patients (3 of 31) without MAC (p less than 0.025).
  • (18) In lean rats, there were no permanent effects of this intervention except for a 25% reduction in carbohydrate intake.
  • (19) Perinatal brain damage produced by early zinc deficiency followed by rehabilitation with adequate zinc appears to be long term, maybe permanent.
  • (20) The process by which prolonged treatment at 2.2 kbar led to permanent activation of UDP-glucuronosyltransferase after release of pressure was not reflected, however, by time-dependent changes in the functional state of UDP-glucuronosyltransferase at this pressure.

Perpetual


Definition:

  • (a.) Neverceasing; continuing forever or for an unlimited time; unfailing; everlasting; continuous.

Example Sentences:

  • (1) 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.
  • (2) We speculate that intestinal injury may also induce or perpetuate arthritis by systemic distribution of inflammatory mediators produced by intestinal immune effector cells.
  • (3) These findings suggest that community differences in levels of violence are perpetuated as Zapotec children learn community-appropriate patterns for expressing aggression and continue to express these patterns as adults.
  • (4) Post-labeling addition of 1 mM caffeine increased perpetuated blocks to a frequency of about 10% of the initial number of dimers in 4 h in XP16KO-II cells, but not in XP16KO-I and normal cells.
  • (5) This phenomenon may be of significance in the perpetuation of the disease.
  • (6) Trierweiler has broken a fundamental principle of French political life, an unwritten law inherited from the Ancien Régime and perpetuated by France's revolutionary nomenklatura, that the private life – and by that I mean sex life – of a public figure must remain inviolable.
  • (7) The ways in which medical personnel have opposed the political abuse of medicine is explored by a brief review of the opposition of Chilean doctors to torture, the involvement of South African doctors in opposing the abuse of health services in perpetuating apartheid, and the growing medical movement in opposition to nuclear war.
  • (8) Utilization data are known to be strongly influenced by the supply of facilities, particularly beds; unless this can be taken into account there is a likelihood that historical patterns will simply be perpetuated whether justified or not.
  • (9) Health care professionals hold attitudes toward persons with disabilities that are similar to those of society as a whole, and they may be actual perpetuators of this limiting practice.
  • (10) Moreover, genetics textbooks consistently employ confused or misleading definitions of the concept of heritability that, together with the reporting of discredited data, perpetuate a fundamentally inaccurate understanding of the genetics of intelligence.
  • (11) Even the most popular Shia cleric, Sayyed Mohammed Fadlallah , a man who has deeply affected the thinking of key Hezbollah leaders and cadres since the party's inception, now says in no uncertain terms that Shias and the country as a whole want to see, and should see, a strong Lebanese army as the nation's sole protector; and that the perpetually unstable confessional system must be ended as soon as possible.
  • (12) When this parliament votes for another referendum as it inevitably will, thanks to the perpetual crutch that the Greens provide, let’s not pretend it reflects the will of the Scottish people, because it doesn’t.
  • (13) The study has shown that: There is a significant increase in the severity of gingivitis during pregnancy; The gingival changes progressively increase during the course of pregnancy; The gingival changes are more marked than the periodontal changes seen during pregnancy (increase in periodontal disease was seen in only a limited number of cases); There was an appreciable increase in the calculus and debris deposits in the pregnant as compared to the nonpregnant women; Increase in the calculus and debris deposits was apparent in all the trimesters of pregnancy; Gingival changes showed a greater correlation with the calculus and the debris index in the pregnant than in the nonpregnant women; The role of the irritant oral deposits either as a precipitating or perpetuating factor in the genesis of gingivitis during pregnancy can not be excluded.
  • (14) Also in the Lords amongst the phalanx of red leather benches is a solitary seat curbed by an armrest provided for a perpetually drunken Lord (hence the saying?)
  • (15) In addition, TNF is produced and cleared from the blood-stream within a short period of time after an LPS stimulus, suggesting that TNF sets into motion a chain of events that may be self-perpetuating even in the absence of further TNF stimulus.
  • (16) One of the most tragic aspects of child abuse and neglect is that it is so often perpetuated from one generation to another.
  • (17) Yet, for many reasons, clinicians tend to resist rapid changes and perpetuate antiquated practices, diagnostic strategies, and clinical policies.
  • (18) The role of Ixodes ricinus and possible other vectors in perpetuating transmission of the European infection remains to be defined.
  • (19) It is caused by an intense, self-perpetuating process of clot-formation and lysis within the abnormal vascular channels of the haemangioma, and results in consumption of platelets and clotting factors.
  • (20) The central role of platelet-vessel wall interaction in the initiation and perpetuation of this process is well established.