(a.) Liable to vanish or pass away like vapor; vanishing; fleeting; as, evanescent joys.
(a.) Vanishing from notice; imperceptible.
Example Sentences:
(1) It is based on the selective evanescent field excitation of ligands adsorbed to supported planar bilayers on argon-sputtered glass plates.
(2) The reproducibility of findings on repeated examinations must mean that there is a local anatomical basis for the muscular impressions seen and that such contractions do not represent evanescent peristaltic type activity.
(3) Adult-onset Still's disease is characterized by high spiking fever, evanescent maculopapular rash and arthritis.
(4) As a follow-up of a preliminary trial, the therapeutic results obtained in 40 cases of acute and chronic dermatitis by the topical application of 10-undecen-1-yl-pseudothiourea hydroiodide (AHR-1911) in an evanescent vehicle containing triethanolamine stearate are presented.
(5) Digital ischaemia in the presence of an otherwise well-perfused foot in the non-diabetic patient presents diagnostic problems especially as the manifestations are frequently evanescent.
(6) Recently, we saw a patient with bilateral uveitis, evanescent cranial nerve palsies, and other clinical manifestations suggesting central nervous system and ocular sarcoidosis.
(7) The appropriate diagnosis of this syndrome may be overlooked because its presentation is frequently delayed, and its symptoms and signs are varied and frequently evanescent.
(8) Another young woman developed unilateral multiple evanescent white dot syndrome and central macular lesions typical of acute macular neuroretinopathy that appeared soon after the peripheral macular and juxtapapillary white lesions resolved.
(9) A combination of fluorescence excitation in the evanescent field and fluorescence recovery after photobleaching allowed us to measure the amount of adsorbed fluorescent lysozyme and the equilibrium exchange kinetics with molecules in solution.
(10) This aspect is usually described as "multiple evanescent white dot syndrome".
(11) That is, any water or choline group structure may be evanescent on this time scale.
(12) Lesions in the stomach generally disappeared in several days despite the continuation of stress; some duodenal lesions were equally evanescent, but in 2 monkeys, lesions lasted over a week.
(13) In contrast to these evanescent developmental sites, oxytocin receptors in the bed nucleus of the stria terminalis and the ventromedial nucleus of the hypothalamus only appeared in adulthood, presumably in response to the surge of gonadal steroids at puberty.
(14) The contention of the author is that--instead-sound bio-social principles, easily available from child psychiatry as a field, would provide a dynamic substructure that would not be voguish and evanescent.
(15) Multiple evanescent white-dot syndrome recurred in two men (23 and 44 years of age, respectively).
(16) The depression improved only evanescently after 17 ECT sessions but the hypothalamic-pituitary suppression cleared completely and permanently, based on responses to four metyrapone stress tests in a 2-year follow-up period.
(17) The clinical picture of these cases is differentiated from acute inflammatory diseases primarily involving the retinal pigment epithelium and photoreceptors, and conforms to the multiple evanescent white dot syndrome that has recently been found in residents of the midwest region of the United States of America.
(18) Shifts in extracellular calcium either from high to low concentrations or vice versa elicited similar evanescent increases in expression of mRNA with a peak at 1 h. Synthesis of the peptide seems to be controlled by mRNA expression, and peptide in the medium appears to be continuously degraded or taken up by cells because its concentration in the medium showed a time course similar to that of mRNA expression.
(19) Thus, late potentials were both common and evanescent in patients infected with human immunodeficiency virus.
(20) The derived intensity profiles are used to develop expressions for the shapes of fluorescence photobleaching recovery curves when evanescent interference patterns are used for fluorescence excitation and bleaching.
Transient
Definition:
(a.) Passing before the sight or perception, or, as it were, moving over or across a space or scene viewed, and then disappearing; hence, of short duration; not permanent; not lasting or durable; not stationary; passing; fleeting; brief; transitory; as, transient pleasure.
(a.) Hasty; momentary; imperfect; brief; as, a transient view of a landscape.
(a.) Staying for a short time; not regular or permanent; as, a transient guest; transient boarders.
(n.) That which remains but for a brief time.
Example Sentences:
(1) The major treatable risk factors in thromboembolic stroke are hypertension and transient ischemic attacks (TIA).
(2) Here we show that this induction of AP-2 mRNA is at the level of transcription and is transient, reaching a peak 48-72 hr after the addition of RA and declining thereafter, even in the continuous presence of RA.
(3) Determination of plasma luteinizing hormone (LH) levels in the peripubertal female rats revealed that plasma LH was increased transiently immediately after NPY administration.
(4) An axillo-axillary bypass procedure was performed in a high-risk patient with innominate arterial stenosis who had repeated episodes of transient cerebral ischemia due to decreased blood flow through the right carotid artery and reversal of blood flow through the right vertebral artery.
(5) With prolonged ischemia, it is only transient and is followed by a gradual loss of the adenylyl cyclase activity.
(6) Definitive neurological deficits occurred in 0.09%, transient deficits were observed in 0.45%.
(7) Nevertheless, this LTR does not govern efficient transcription of adjacent genes in a transient expression assay.
(8) This transient paresis was accompanied by a dramatic fall in the MFCV concomitant with a shift of the power spectrum to the lower frequencies.
(9) In some animals, the response was marked vasodilation, whereas in others transient vasoconstriction preceded the vasodilation.
(10) We investigated the possible contribution made by oropharyngeal microfloral fermentation of ingested carbohydrate to the generation of the early, transient exhaled breath hydrogen rise seen after carbohydrate ingestion.
(11) Protein kinase C (PKC) is activated rapidly and transiently following ionizing radiation exposure and is postulated to activate downstream nuclear signal transducers.
(12) To study these changes more thoroughly, specific monoclonal antibodies of the A and B subunits of calcineurin (protein phosphatase 2B) were raised, and regional alterations in the immunoreactivity of calcineurin in the rat hippocampus were investigated after a transient forebrain ischemic insult causing selective and delayed hippocampal CA1 pyramidal cell damage.
(13) Transient intermediates were distinguished from dead-end metabolites by the rapid formation and disappearance of the former.
(14) Distant ischemia was distinguished from peri-infarctional ischemia by the presence of transient thallium defects in, or slow thallium washout from myocardium not supplied by the infarct-related coronary artery.
(15) A23187 had only a transient effect on KCl-contracted coronary arteries.
(16) Transient thyroid dysfunction occurred in 35 (46%) of 76 patients who were initially euthyroid.
(17) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.
(18) Initial exposure of cells to low concentrations of either H2O2 or xanthine oxidase resulted in a transient increase in membrane potential relative to control cells (P less than 0.001), followed by an exponential decline in potential (P less than 0.001).
(19) The early absolute but transient dependence of these A-MuLV mast cell transformants on a fibroblast feeder suggests a multistep process in their evolution, in which the acquisition of autonomy from factors of mesenchymal cell origin may play an important role.
(20) Diabetic retinopathy (an index of microangiopathy) and absence of peripheral pulses, amputation, or history of myocardial infarction, stroke, or transient ischemic attacks (as evidence of macroangiopathy) caused surprisingly little increase in relative risk for cardiovascular death.