What's the difference between presence and proximity?

Presence


Definition:

  • (n.) The state of being present, or of being within sight or call, or at hand; -- opposed to absence.
  • (n.) The place in which one is present; the part of space within one's ken, call, influence, etc.; neighborhood without the intervention of anything that forbids intercourse.
  • (n.) Specifically, neighborhood to the person of one of superior of exalted rank; also, presence chamber.
  • (n.) The whole of the personal qualities of an individual; person; personality; especially, the person of a superior, as a sovereign.
  • (n.) An assembly, especially of person of rank or nobility; noble company.
  • (n.) Port, mien; air; personal appearence.

Example Sentences:

  • (1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
  • (2) It was found that the skeletal muscle enzyme of the chick embryo is independent of the presence of creatine and consequently is another constitutive enzyme like the creatine kinase of the early embryonic chick heart.
  • (3) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
  • (4) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
  • (5) A new and simple method of serotyping campylobacters has been developed which utilises co-agglutination to detect the presence of heat-stable antigens.
  • (6) These results suggest the presence of a new antigen-antibody system for another human type C retrovirus related antigens(s) and a participation of retrovirus in autoimmune diseases.
  • (7) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
  • (8) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
  • (9) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
  • (10) During and after the infusion of 5HTP, none of the patients showed an increase in anxiety or depressive symptoms, despite the presence of severe side effects.
  • (11) The presence of O-glycosidic linkages between carbohydrate and protein in the DF3 antigenic site was further supported by the presence of NaBH4-sensitive sites.
  • (12) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
  • (13) The penetration of (22)Na was not prevented by the presence of metabolic inhibitors or by 500 mm NaCl in the suspending medium.
  • (14) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
  • (15) Marked enhancement of IFN-gamma production by T cells was seen in the presence of as little as 0.3% thymic DC.
  • (16) In the presence of insulin, a qualitatively similar pattern of increasing responses to albumin is observed; the enhancement of each response by insulin is, however, only slightly potentiated by higher albumin concentrations.
  • (17) 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.
  • (18) 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.
  • (19) The presence of lactalbumin was closely associated with the presence of E.R.
  • (20) It was concluded that the significant factors affecting outcome are tumor cell type and presence or absence or mitoses.

Proximity


Definition:

  • (n.) The quality or state of being next in time, place, causation, influence, etc.; immediate nearness, either in place, blood, or alliance.

Example Sentences:

  • (1) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
  • (2) A total of 555 caries lesions were registered on proximal surfaces, 49.1% being primary lesions in the enamel, 21.4% primary lesions into the dentin and 29.5% secondary lesions.
  • (3) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
  • (4) Measurement of urinary GGT levels represents a means by which proximal tubular disease in equidae could be diagnosed in its developmental stages.
  • (5) The role of adrenergic agents in augmenting proximal tubular salt and water flux, was studied in a preparation of freshly isolated rabbit renal proximal tubular cells in suspension.
  • (6) The remaining 5 soil samples, obtained from sites that were not in close proximity to lakes, were also negative except for one that contained type B.
  • (7) Investigations showed that compliance is reduced in a distal to proximal direction.
  • (8) Axons emerge from proximal dendrites within 50 microns of the soma, and more rarely from the soma, in a tapering initial segment, commonly interrupted by one or two large swellings.
  • (9) Since the incidence of gastric cancer in our population seems to be unchanged, this may suggest a true increase in proximal gastric tumours.
  • (10) Studies were performed to characterize the determinants of proximal tubule ammonia entry (and retention) in vivo.
  • (11) Nine patients with duodenal ulcer were studied before and 2--3 months after proximal gastric vagotomy (PGV).
  • (12) There is approximately a 25% decrease in aggregation from regions of the rib distal to the metaphyseal-growth plate junction (69%) to the region proximal to it (50%).
  • (13) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
  • (14) The diagnosis of an arterial injury may be readily apparent, but the excellent upper-extremity collateral circulation may create palpable distal pulses despite a significant proximal arterial injury.
  • (15) The NAD-dependent enzymes (except alpha-GPDH) showed a stronger reactivity in the proximal tubules, while the NADP-dependent ones were more reactive in the thick limb of Henle's loop and distal convoluted tubules.
  • (16) In the other, the proximal fibula was excised and the epiphysis placed across the saphenous artery and vein in the groin.
  • (17) In testing the contribution of the long, curved stem to the torsional stability of uncemented prostheses by comparing it with other stems, the long, curved stem was the most stable, followed by a shorter straight stem, and a short, proximally curved stem.
  • (18) In this study, we examined renal tubular cell handling of digoxin and ouabain using LLC-PK1 cells, a model of proximal renal tubular cells.
  • (19) The surgical procedure, using a dispensable tendon, could be directly associated to the sutures of the proximal injuries of the cubital nerve as a temporary palliative.
  • (20) Hydroperoxides from arachidonic acid can decompose via this mechanism to form leukotrienes of potential biological significance and can catalyze the epoxidation of proximal carcinogens to ultimate carcinogenic metabolites.