What's the difference between permanent and persistent?

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.

Persistent


Definition:

  • (a.) Inclined to persist; having staying qualities; tenacious of position or purpose.
  • (a.) Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; -- opposed to deciduous, and caducous.

Example Sentences:

  • (1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
  • (2) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
  • (3) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
  • (4) The remaining case had a calibre persistent submucosal artery within the caecum that was found incidentally in a resection specimen.
  • (5) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
  • (6) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
  • (7) An experimental Anaplasma marginale infection was induced in a splenectomized mule deer (Odocoileus hemionus hemionus) which persisted subclinically at least 376 days as detected by subinoculation into susceptible cattle.
  • (8) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
  • (9) They had learned through hard experience what Frederick Douglass once taught -- that freedom is not given, it must be won, through struggle and discipline, persistence and faith.
  • (10) Short incubations with heparin (5 min) caused a release of the enzyme into the media, while longer incubations caused a 2-8-fold increase in net lipoprotein lipase secretion which was maximal after 2-16 h depending on cell type, and persisted for 24 h. The effect of heparin was dose-dependent and specific (it was not duplicated by other glycosaminoglycans).
  • (11) The first patient, an 82-year-old woman, developed a WPW syndrome suggesting posterior right ventricular preexcitation, a pattern which persisted for four months until her death.
  • (12) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
  • (13) Channel activation persists through the process of platelet isolation and washing and is manifested in higher measured values of [Ca2+]cyt and [Ca2+]dt in the "resting state."
  • (14) Gastro-intestinal surgery is only indicated if haemorrhage persists after a period of observation.
  • (15) Psychiatric morbidity is further increased when adjuvant chemotherapy is used and when treatment results in persistent arm pain and swelling.
  • (16) A newborn presenting with persistent umbilical stump bleeding should be screened for factor XIII deficiency when routine coagulation tests prove normal.
  • (17) This competence persists over the eight measurement points.
  • (18) To investigate the possibility that an abnormality of gastric emptying exists in duodenal ulcer and to determine if such an abnormality persists after ulcer healing, scintigraphic gastric emptying measurements were undertaken in 16 duodenal ulcer patients before, during, and after therapy with cimetidine; in 12 patients with pernicious anemia, and in 12 control subjects.
  • (19) Thus it appears that a portion of the adaptation to prolonged and intense endurance training that is responsible for the higher lactate threshold in the trained state persists for a long time (greater than 85 days) after training is stopped.
  • (20) persisted and was more abnormal in 23% of the cases including specific tracings in 37%.