What's the difference between concurrence and confluence?

Concurrence


Definition:

  • (n.) The act of concurring; a meeting or coming together; union; conjunction; combination.
  • (n.) A meeting of minds; agreement in opinion; union in design or act; -- implying joint approbation.
  • (n.) Agreement or consent, implying aid or contribution of power or influence; cooperation.
  • (n.) A common right; coincidence of equal powers; as, a concurrence of jurisdiction in two different courts.

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.

Confluence


Definition:

  • (n.) The act of flowing together; the meeting or junction of two or more streams; the place of meeting.
  • (n.) Any running together of separate streams or currents; the act of meeting and crowding in a place; hence, a crowd; a concourse; an assemblage.

Example Sentences:

  • (1) The proteins that were increased or decreased in rate of synthesis as B103 cells became confluent were in general not the same proteins that were increased or decreased in rate of synthesis as B9 cells reached confluence, indicating that most of the changes do not reflect growth control responses common to all cells.
  • (2) In primary culture, CSM cells attached to the culture vessels by 48 to 72 h, proliferated by 3 to 7 d, and reached confluency by 14 to 17 d with a "hill-and-valley" pattern.
  • (3) For the first time, synthesis of physiological amounts of the UCP, a key and tissue-specific component of thermogenic mitochondria, was observed in cultures at about confluence (day 6), indicating that a complete differentiation of brown adipocytes was achieved in vitro.
  • (4) PB increased LPL secretion 2- to 3-fold and intracellular LPL 3- to 10-fold in a time-dependent manner; these increments were less in proportion to the length of the time interval between confluence and initiation of PB treatment.
  • (5) The alpha 1 and beta-adrenergic receptor metabolism was studied at cell confluency in BC3H1 and C6 glioma cells.
  • (6) CDR appeared closely related to an increased proportion of non-cycling cells at confluence, as demonstrated by flow cytometry, expression of nuclear antigen recognized by Ki67 MAb and expression of topoisomerase II.
  • (7) Culture of NFMs to confluence or depletion of growth factors from the culture medium caused reversible, G1 phase-specific, cell cycle growth arrest.
  • (8) Instead, intracellular K content varied by up to two-fold, and intracellular Na by more than six-fold with marked 'peaks' after confluency.
  • (9) Nineteen patients with suspected malignant obstruction at the confluence of the bile ducts had exfoliative biliary cytology and fine needle aspiration cytology performed.
  • (10) But this happy confluence between job creation and technology might be coming to an end, and there are two key reasons for this.
  • (11) Yet a confluence of events over the past week shows that Cameron's visit is important to Americans.
  • (12) One type of cells had polygonal morphology, showed density-dependent contact inhibition at confluence in vitro, showed lectin-binding characteristics of endothelium (but only moderate positivity for factor VIII antigen), demonstrated induction of gamma-glutamyl transpeptidase when exposed to astrocyte-conditioned media, and responded to insulin by a pronounced increase in DNA synthesis.
  • (13) For that purpose, cells were incubated for 3 days before reaching confluency in the presence of myo-[3H]inositol in order to label the phosphoinositide pool, and the various [3H]IPs were separated by HPLC on a SAX column with a phosphate gradient.
  • (14) Some lesions showed confluence and all were at the same developmental stage.
  • (15) The total number of lesions varied, though not greatly, over the whole follow-up, but there was an influence of the clinical course of MS on the pattern of lesions in MR imaging, mostly in respect to the number of confluences and the size of the lesions.
  • (16) 3) The pressures of the inferior vena cava at the confluence of right and left common iliac veins with 20 and 40mmHg showed no significant difference immediately after the pressurization, but thereafter showed a increasing tendency in the group with 40mmHg (p less than 0.05).
  • (17) The vascular and extracellular confluences between host and graft could provide direct access for systematically administered substances to enter brain regions where they, normally, would be excluded.
  • (18) Signs of osteolysis, such as enlarged osteocyte lacunae surrounded by a metachromatic zone in toluidine blue stained sections, and confluence of osteocyte lacunae in microradiographs, were compared with the fluorochrome labelling pattern.
  • (19) After the preselection of patients based on knowledge of the anatomical patterns, a systemic-pulmonary artery shunt may be performed without cardiac catheterization if these rules for definitive patient selection are followed: (1) accurate clinical assessment to identify the patients with restricted pulmonary blood flow; (2) precise intracardiac diagnosis by 2-D and Doppler echocardiography; and (3) definitive 2-D echocardiographic visualization of the pulmonary venous connection and the confluence of the pulmonary arteries.
  • (20) Novel transformed variants generally arise after prolonged confluence and cessation of net growth, with these new types of foci appearing during a second round of confluence, although not in the first round.