(a.) Belonging to the essence, or that which makes an object, or class of objects, what it is.
(a.) Hence, really existing; existent.
(a.) Important in the highest degree; indispensable to the attainment of an object; indispensably necessary.
(a.) Containing the essence or characteristic portion of a substance, as of a plant; highly rectified; pure; hence, unmixed; as, an essential oil.
(a.) Necessary; indispensable; -- said of those tones which constitute a chord, in distinction from ornamental or passing tones.
(a.) Idiopathic; independent of other diseases.
Example Sentences:
(1) However, medicines have an important part to play, and it is now generally agreed that for the very poor populations medicines should be restricted to those on an 'essential drugs list' and should be made available as cheaply as possible.
(2) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
(3) Nucleotide, which is essential for catalysis, greatly enhances the binding of IpOHA by the reductoisomerase, with NADPH (normally present during the enzyme's rearrangement step, i.e., conversion of a beta-keto acid into an alpha-keto acid, in either the forward or reverse physiological reactions) being more effective than NADP.
(4) Community involvement is a key element of the Primary Health Care (PHC) approach, and thus an essential topic on a course for managers of Primary Health Care programmes.
(5) No significant fatty acid binding by proteins was detected in S. cerevisiae, even when grown on a fatty acid-rich medium, thus indicating that such proteins are not essential to fatty acid metabolism.
(6) The UK's standard position on ICC indictees is to avoid all contact unless "essential".
(7) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(8) Most cis AB sera have anti-B activity, essentially at 4 degrees C. In saliva A and H substances are found in normal amounts but B substance is only evidenced by inhibition of autologous cells agglutination.
(9) Treatment with trypsin gave essentially one radioactive peptide, the active site peptide, of approximately 2300 molecular weight.
(10) We conclude that this enzyme is essentially identical to the native enzyme and should be very useful in the future study of this important hydroxylase.
(11) Thus serum ionized calcium in untreated essential hypertensive patients may predict the blood pressure response to the slow calcium channel blocker verapamil.
(12) The effects of supervised mild aerobic exercise at the work load of the blood lactate threshold for 10 weeks on serum lipids and apolipoproteins were studied in 24 patients with essential hypertension.
(13) No other essential regulatory sequence is located further upstream.
(14) Based on the results of the Community AIM Exploratory Action, further collaborative work is required at EEC level to create an Integrated Health Information Environment (IHE) allowing essentially for integration, modularity and security.
(15) Ovarian vein sampling for androgen was essential in locating this patient's microscopic tumor.
(16) After approximately 20 in vitro passages, Chinese hamster kidney (CHK) cell cultures transformed upon exposure to different strains of SV 40 can show a diploid modal chromosome number of 22 with chromosome counts exclusively or essentially in the diploid range (20-25).
(17) An official from Cafcass, the children and family court advisory service, tried to persuade the child in several interviews, but eventually the official told the court that further persuasion was inappropriate and essentially abusive.
(18) Of 55 new open reading frames analysed by gene disruption, three are essential genes; of 42 non-essential genes that were tested, 14 show some discernible effect on phenotype and the remaining 28 have no overt function.
(19) Essential characteristics of the composite bone cement included a homogeneous and uniform fiber distribution, and a minimal increase in apparent viscosity of the polymerizing cement.
(20) The median blood levels were lower in hyperacidic subjects and higher in hypoacidic patients; the urinary excretion of the digitalis compound showed no essential differences.
Incidental
Definition:
Example Sentences:
(1) Weddellite calcification was associated with benign lesions in 16 cases, but incidental atypical lobular hyperplasia and lobular carcinoma in situ were present, each in one case.
(2) The remaining case had a calibre persistent submucosal artery within the caecum that was found incidentally in a resection specimen.
(3) No increased incidence of pancreas divisum was found in any of four groups: an incidental group, a group with alcoholic pancreatitis, a group with unexplained upper abdominal pain, and an idiopathic pancreatitis group.
(4) (Incidentally, Australia had just revoked Blanc’s visa).
(5) We concluded that this case was incidentally successful with good regeneration of urethral mucosa of the anterior urethra by grafting a polytetrafluoroethylene tube.
(6) Whether the incidentally reported increase in multiword responses in some normal elderly forecasts an approaching dementia needs further research.
(7) As predicted, the blocking effect was found to be smaller in subjects who displayed a high degree of incidental learning in either of two tasks in which intentional vs. incidental learning corresponded to (1) words vs. word position, or (2) a target initial word letter vs. non-target initial letters.
(8) Unresolved etiological issues requiring clarification in the near future include the following: (1) Are stressful events important in the development of panic, or are they more incidentally related?
(9) We report on a 47-year-old man with a granular cell tumour of the appendix, discovered incidentally during surgery for a rectal adenocarcinoma that had been irradiated preoperatively.
(10) Incidental teaching and traditional discrete-trial procedures were used to teach two children with autism the expressive use of two color adjectives to describe preferred toys and food items.
(11) Ninety patients with a visually normal opposite ovary had no identifiable tumor in that ovary by investigative incision or incidental excision.
(12) It was intended, however, as a response to more radical reforms proposed by congressman Justin Amash, a Republican from Michigan, and is likely to have relatively limited impact on the NSA's ability to collect data on US citizens through incidental means, the so-called backdoor provisions , which was seen as a bigger threat as Snowden's revelations continued.
(13) The markedly dilated main pancreatic duct was noticed at the time of an incidental ultrasonogram during hospitalization for diabetes mellitus.
(14) Our data suggest that the risk for development of a wound infection after a staging laparotomy for Hodgkin's disease is increased by performing an incidental appendectomy as part of the procedure.
(15) 10.21am GMT Incidentally, we've just learned that September was a less cheery month for the eurozone.
(16) Ductal carcinoma in situ as an incidental finding may be treated by excision alone; papillary and micropapillary DCIS are best treated by therapy aimed at the entire breast, although axillary dissection may not be required.
(17) Nonfatal complications specifically related to splenectomy occurred in 15 per cent of patients with multi-organ injury and in 18 per cent of patients with incidental-accidental splenic removal.
(18) The use of other techniques, such as a gated blood pool scanning or computerized tomography, affects primarily the incidental discovery of a "silent" tumor.
(19) We report two patients receiving maintenance valproate, one with resolving acute hepatitis C and the other with chronic persistent hepatitis C, with incidental microvesicular steatosis demonstrated on oil-red O stains.
(20) It is recommended that incidental teaching procedures be included in future language development programs for children with autism.