(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.
Recognition
Definition:
(n.) The act of recognizing, or the state of being recognized; acknowledgment; formal avowal; knowledge confessed or avowed; notice.
Example Sentences:
(1) Recognition of the distinctive morphology of MH and the performance of ancillary studies on cytologic preparations should facilitate the rapid diagnosis and early treatment of this aggressive disease.
(2) Early recognition is facilitated by monitoring of arterial blood gas levels for hypoxemia.
(3) Osteoporosis and its treatment have attracted much attention in recent years, especially since the widespread recognition of its association with the menopause.
(4) In subsequent experiments, both components were found to be significant and additive predictors of face recognition with no residual effect of typicality.
(5) A key component of a career program should be recognition of a nurse's needs and the program should be evaluated to determine if these needs are met.
(6) Recognition of this deficiency in our knowledge spurred a belated explosion of research that began with an exploration of the fine structure of the mesothelium.
(7) The results suggest that AH5183 does not bind to the ACh transporter recognition site on the outside of the vesicle membrane, and thus it might inhibit allosterically.
(8) These studies show that females develop significantly more cell-mediated immune responses to some chemical haptenes than men and the data also points to an overall higher rate of haptene recognition.
(9) In contrast, insertion of a pre-S(1) sequence between HBcAg residues 75 and 83 abrogated recognition of HBcAg by 5 of 6 anti-HBc monoclonal antibodies and diminished recognition by human polyclonal anti-HBc.
(10) Recognition and prompt treatment of this potentially fatal dermatological crisis is stressed.
(11) Earlier recognition of foul-smelling mucoid discharge on the IUD tail, or abnormal bleeding, or both, as a sign of early pelvic infection, followed by removal of the IUD and institution of appropriate antibiotic therapy, might prevent the more serious sequelae of pelvic inflammation.
(12) One radio critic described Jacobs' late night Sunday show as a "tidying-up time, a time for wistfulness, melancholy, a recognition that there were once great things and great feelings in this world.
(13) A developing sophistication on the part of both children and parents, coupled with a rapidly expanding recognition of the need to minimize the amount of physical and psychological trauma that a child has to experience, has led to a growing use of premedication agents for children.
(14) Determination of the T-cell recognition profile of Mb by the overlapping peptide strategy revealed that the protein has six T sites.
(15) This paper reports two experiments concerned with verbal representation in the test stage of recognition memory for naturalistic sounds.
(16) Because all differences were found only in this region of the molecule, and because DR alpha-chains seem to be relatively non-polymorphic, these positions in the DR beta-chain must have a major role in influencing T-cell recognition of the DR molecule.
(17) His dedication and professionalism is world class and he deserves all the recognition he has received to date.
(18) These trends include an increase in the number of elderly who need the benefits of home care, the recognition that long-term chronic illnesses require appropriate management at home, and concern that patients have access to care at the level most appropriate to their illnesses.
(19) Four tested TLC display strikingly different antigen recognition patterns when tested against a number of other mycobacterial antigens; one TLC so far recognizes only M. leprae antigens.
(20) With recognition that any mass that appears in a woman using oral contraceptives must be studied by biopsy, combined clinical and mammographic study in primenopausal women should minimize diagnostic error.