What's the difference between concurrent and contiguous?

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.

Contiguous


Definition:

  • (a.) In actual contact; touching; also, adjacent; near; neighboring; adjoining.

Example Sentences:

  • (1) The nuclei in contiguous groups of cells were modeled and analyzed.
  • (2) These data imply that the viral subgenomic mRNAs are composed of leader and body sequences which are non-contiguous on the genome.
  • (3) Close proximity and contiguity of the cut surfaces were important for such growth to occur.
  • (4) The vessel number, the vessel diameter and the distance intervening between contiguous vessels were measured.
  • (5) Genes tfdD and tfdE are contiguous in the tfdCDEF operon, whereas the corresponding genes, clcB and clcD, of the clcABD operon, are known to be separated by a long open reading frame of unknown function.
  • (6) The human histone gene-bovine papillomavirus episome is therefore a viable system for studying cell cycle-regulated histone gene expression under conditions where control is not influenced at the site of chromosomal integration by cis-acting elements of genes normally not contiguous.
  • (7) We have applied random mutagenesis over short contiguous residue tracts ('windows') within an active peptide (the alpha-peptide of beta-galactosidase) such that all window residues are replaced simultaneously.
  • (8) The procedure was repeated for each contiguous section level of the liver.
  • (9) A contiguous sequence of 25 residues on the surface of the 74 kDa human plasma metal-binding transport protein histidine-rich glycoprotein (HRG) has been identified as a bioactive metal-binding domain.
  • (10) One group, tested on delayed response with stimuli and responses spatially contiguous, solved the task at once, whereas the other group, trained with actual stimuli and responses spatially discontiguous, attained criterion after errors.
  • (11) Postmortem examination showed the tumor to be composed of both malignant schwannoma and angiosarcoma and to have arisen from contiguous neurofibromas in portal tracts.
  • (12) The Pasteurella haemolytica leukotoxin determinant is composed of four contiguous genes encoded on the same DNA strand and denoted lktCABD, in the order of their genetic organization.
  • (13) Magnetic resonance measurements of left ventricular volume and ejection fraction based on measurements of area and length in a single oblique plane containing the long axis of the ventricle were compared with measurements made by summing the areas of the chamber in multiple contiguous slices.
  • (14) A contiguous panel of markers permitted mapping of the deletion to 17p12-p13.1, the same chromosomal region for which loss of alleles has been shown in tumor specimens from patients with colon cancer, and the same region to which the p53 gene has been mapped.
  • (15) The deformities resulting from premature closure of a coronal, sagittal, metopic, or lambdoid suture can be predicted by the following observations: (1) cranial vault bones that are prematurely fused act as a single bone plate with decreased growth potential; (2) asymmetrical bone deposition occurs mainly at perimeter sutures, with increased bone deposition directed away from the bone plate; (3) sutures adjacent to the stenotic suture compensate in growth more than those sutures not contiguous with the closed suture; and (4) enhanced bone deposition occurs along both sides of a nonperimeter suture that is a continuation of the prematurely closed suture.
  • (16) In these cases of low-grade oligodendroglioma, MR was believed to be superior to CT in providing information needed for radiation therapy planning because of its ability to distinguish tumor and adjacent edema (considered tissue at risk for containing microscopic tumor) from contiguous normal brain.
  • (17) The structural ovalbumin DNA sequences are not contiguous and are separated by multiple "intervening regions" in native chicken DNA.
  • (18) Common predisposing factors in this older group of patients include infection at contiguous foci, tumors in close proximity to the central nervous system, or fistulous communications with the central nervous system.
  • (19) Ten freshly extracted teeth which had carious pulpal exposures and periapical lesions contiguous with the root apex were placed inside an anaerobic chamber and the apical 5 mm of the root canals cultured.
  • (20) First-episode (N = 62) and chronic, multi-episode (N = 24) schizophrenic patients and healthy comparison subjects (N = 42) underwent MRI of the whole head in a sequence that provided 63 contiguous brain slice images.