(a.) ing or continuing through the year; as, perennial fountains.
(a.) Continuing without cessation or intermission; perpetual; unceasing; never failing.
(a.) Continuing more than two years; as, a perennial steam, or root, or plant.
(n.) A perennial plant; a plant which lives or continues more than two years, whether it retains its leaves in winter or not.
Example Sentences:
(1) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.
(2) consider the X-ray findings verified in 3 groups of subjects: with Hayfiber, with perennial rhinitis and the last one being a control group.
(3) Eleven children with severe perennial asthma and a poor clinical response to disodium cromoglycate were studied in a 4-month, double blind trial involving 1 month's treatment with placebo, disodium cromoglycate, betamethasone 17 valerate, and both drugs combined according to a predetermined random design.
(4) Cruden Farm, Victoria The 54-hectare Murdoch family estate in Langwarrin south of Melbourne, Australia, features magnificent gardens complete with ponds, lemon-scented gum trees and two walled gardens and perennial borders.
(5) In this study, the authors evaluate the inhalant substances of the house, emphasizing the importance of Dermatophagoides pteronyssinus to cause perennial allergic rhinitis.
(6) A panel of human CD4+ T cell clones specific for the house dust mite was isolated from an atopic individual with perennial rhinitis.
(7) Patients who had both perennial symptoms and summer seasonal exacerbations had a higher incidence of a positive family history of atopy and developed symptoms earlier in life than those patients who had summer seasonal or perennial symptoms only.
(8) Patients with perennial rhinitis had a more vigorous response than the controls.
(9) The immediate changes in regional ventilation and pulmonary blood flow were studied in seventeen adults with perennial asthma and in two control persons, who were challenged by histamine inhalation (histamine induced asthma (HIA)).
(10) Twenty-eight patients with allergic perennial rhinitis treated for 2 years with parenteral semidepot immunotherapy were divided into two groups of 14 patients: group A receiving conventional aerosol nebulization (TNE), and group B, which received TNAI using a type F aerosol electrocompressor.
(11) We have something to say and something to offer on perennial political dilemmas.
(12) Specificity was 87% for pollens and 90% for perennial antigens.
(13) Overnight, Russia has moved from perennial rival to trusted friend, while Nato’s future is in peril.
(14) More males than females had summer seasonal symptoms whereas more females than males had perennial symptoms.
(15) The old-fashioned dining room, unpretentious atmosphere, and the three-course menus under €30 make it a perennial favourite.
(16) But Howitt says that while it is a problem that so much farmland has shifted from more adjustable crops to perennials like almonds, he has a simpler solution: better management of groundwater.
(17) They are the identification of factors causing severe disease as opposed to heavy infection; the effects of seasonal as opposed to perennial transmission; and the importance of transplacental transmission of microfilariae or soluble antigens.
(18) Together with his late wife Janet, he wrote 37 titles including perennial favourites The Jolly Postman and Burglar Bill, and by himself he is the author of many more, including The Pencil, and Woof!
(19) It seems that perennial rhinitis probably arises from abundance of domestic antigens more than for the other allergic manifestations, as the nose is the first filter to receive foreign particles.
(20) However, PAC differed from SAC in several respects: a history of exacerbation on exposure to house dust (PAC 42 per cent; SAC none) and an association with perennial rhinitis (PAC 75 per cent; SAC 12 per cent) were more common in PAC.
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.