What's the difference between concurrent and contemporaneous?

Concurrent


Definition:

  • (a.) Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect; cooperating.
  • (a.) Conjoined; associate; concomitant; existing or happening at the same time.
  • (a.) Joint and equal in authority; taking cognizance of similar questions; operating on the same objects; as, the concurrent jurisdiction of courts.
  • (a.) Meeting in one point.
  • (n.) One who, or that which, concurs; a joint or contributory cause.
  • (n.) One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
  • (n.) One of the supernumerary days of the year over fifty-two complete weeks; -- so called because they concur with the solar cycle, the course of which they follow.

Example Sentences:

  • (1) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
  • (2) The highest rate of discontinuation occurred when method choice was denied in the presence of husband-wife agreement on method choice, and the lowest rate occurred when method choice was granted in the presence of such concurrence.
  • (3) Focusing on two prospective payment systems that operated concurrently in New Jersey, this study employs the hospital department as the unit of analysis and compares the effects of the all-payer DRG system with those of the SHARE program on hospitals.
  • (4) Although each of palate and limb is concurrently susceptible to epigenetic regulation, their differential intrinsic genomic capabilities appear to have been uncoupled.
  • (5) Addition in the cultures of 4-deoxypyridoxine, a potent antagonist of vitamin B6 coenzymes, concurrently with the mitogen, inhibits the induction of serine hydroxymethyltransferase.
  • (6) Both demonstrated concurrent validity and feasibility.
  • (7) In the first experiment ovariectomized female hamsters were administered varying dosages of progesterone (P), dihydrotestosterone (DHT) or CI-628 at the same time (concurrently) as estrogen (EB) or 48 hr after EB (sequentially).
  • (8) It is clear that before general release of a new living feline infectious enteritis vaccine, there must be satisfactory evidence that concurrent infection will not affect the safety of the modified antigen.In cats infected with feline infectious enteritis there appears to be a short period, coinciding with the onset of leucopaenia, during which they are highly infectious.
  • (9) Concurrent with this change in the level of enforcement of RBT was an extensive publicity campaign, which warned drinking drivers of their increased risk of detection by RBT units.
  • (10) In the present work, we measured the inactivation of methionine synthase and the concurrent homocysteine export rate of two murine and four human cell lines during nitrous oxide exposure.
  • (11) This indicates a potential use for 1,25(OH)2D3 to prevent and treat hypocalcaemic cows with or without concurrent hypomagnesaemia.
  • (12) This preliminary study estimates the occurrence of concurrent helminth infection in Africa and Brazil to determine whether such an approach is justified epidemiologically.
  • (13) Rats were divided into four groups: drug naive controls; HAL-treated for 6 months; AMPH-treated for 1 month; and rats administered both continuous HAL for 6 months and concurrent AMPH treatment during the 2nd month of HAL administration.
  • (14) Inhibition of RNA synthesis by MTX was prevented by concurrent administration of HX.
  • (15) However, MPA did not enhance survival when given concurrently with radiotherapy; indeed, at the higher of these two doses, median survival of tumor-bearers was slightly less than with radiotherapy alone.
  • (16) A more specific differentiation, as indicated by the sharp increase in GAD levels which was concurrent with an increase in interneuronal contacts, lagged behind the initial growth.
  • (17) Concurrently, stereology was applied to quantitate: (1) the density of RNA labelling, and (2) changes in the size of the nucleus and nucleolus in response to estrogen treatment.
  • (18) It is concluded that there is no pharmacokinetic indiction for withholding OCs from women with early active schistosomiasis who are concurrently receiving antischistosmal drugs.
  • (19) The immunologic technique compared favorably with the autoradiographic methods performed concurrently on the same cultures.
  • (20) Enzyme levels in strains with concurrent mutations in both regulatory genes are considerably higher than the sum of the levels in strains with a cytR or a deoR mutation alone, indicating a certain co-operativity between the two repressor proteins.

Contemporaneous


Definition:

  • (a.) Living, existing, or occurring at the same time; contemporary.

Example Sentences:

  • (1) Cancer development proceeds through sequential or contemporaneous morphological changes from normal, preneoplastic, and premalignant lesions to highly malignant neoplasms.
  • (2) Contemporaneous presence of HTLV-I and HIV-1 antibodies was found in five subjects.
  • (3) By contrast, in agreement with previously published results, amiloride-sensitive sodium uptake was increased by 30% in vesicles derived from animals with ammonium chloride-induced acidosis compared with contemporaneous controls.
  • (4) rats and in Long-Evans controls the contemporaneous evolution of learning and retention of active and passive avoidance responses was studied by means of the light-dark box test.
  • (5) The peculiarity of contemporaneous presence of FCP and the seriousness of the prognosis is pointed out.
  • (6) Over-response corrections for a widely used parallel plate ionization chamber were determined using contemporaneous measurement of build up for 4, 6, 10 and 18-MV photon beams utilizing a commercially available extrapolation chamber (PTW model 23392).
  • (7) We present the hypothesis that beta E contemporaneously modulates several membrane transduction processes, some of which may be counteracting and thereby producing the observed mixed effects on many lymphocyte functional responses.
  • (8) Although they bound to the BN receptor with no or very weak mitogenic activity, no one analogue inhibited BN-induced thymidine incorporation in the contemporaneous treatment; only one behaved as a weak receptor antagonist when given 24 h before BN stimulation.
  • (9) More contemporaneous were the comments from the boss of Sainsbury's, Justin King – one of the business leaders who launched the critique of Labour's national insurance rise during the election campaign.
  • (10) The results of this surgical procedure are now reported in the context of two similar, contemporaneous groups of patients who underwent either standard wide-field laryngectomy or hypopharyngeal mucosa conservation laryngectomy.
  • (11) IMMEDIATE EFFECTS: It is worth stating what is almost axiomatic, because it is often forgotten, that undernutrition is likely to affect only those processes which are contemporaneous with it (plus some that follow it).
  • (12) The following points emerged from this study: 1) spinal cord softening is a rare occurrence; 2) while formerly syphilis was the most frequent cause, recently reports of cases secondary to aortic disease or to embolism with diffuse signs of arteriosclerosis and circulatory failure pointing to a different pathogenesis have become more frequent; 3) the site of softening rarely corresponds to the vascular spinal territories as defined by the anatomists, from which it may be argued that often several arterial territories may be involved simultaneously or, alternatively, that the arterial territories are not so rigidly defined as anatomical research has led us to suppose; 4) the few cases of multiple vascular lesions show that, as happens in the brain, the cord may be damaged contemporaneously or successively in several areas.
  • (13) This increased secretion of PRL was contemporaneous with the onset of pubertal ovarian activity in intact females and with the escape of LH from the negative feedback of E2 in OVX + E2-treated females.
  • (14) For milk somatic cell count, variation between cows within pairs sampled contemporaneously was small (3 to 24%).
  • (15) Murrumu, however, says any act of recognition must be coupled with contemporaneous – not subsequent – treaties.
  • (16) He added: “By no stretch of the imagination can the evidence relied upon in support of the applications be described as corroborated, contemporaneous, persuasive, compelling or cogent.” It is not yet known if the officers will appeal against Meadows’s decision.
  • (17) This pattern may reflect not only the sequence of fiber ingrowth but also the displacement of cells and fibers in the elongating basilar papilla, which grows as a result of a contemporaneous mitotic activity throughout the structure rather than progressing from one end to the other.
  • (18) The 741 patients with high levels of psychopathology or pain were subdivided into baseline control subjects (N = 232), contemporaneous control subjects (N = 253), and an experimental consultation group (N = 256).
  • (19) Comparison of metric and morphological characteristics of the deciduous dentition in the prehistoric Amerindians and roughly contemporaneous European groups indicates morphological characteristics are the better means of discrimination.
  • (20) In medium containing serum from other species or in serum substitute, the temporal expression of myelin basic protein polypeptides in cultures from all the inbred strains was contemporaneous with that in brain.