What's the difference between circumvent and obstruct?

Circumvent


Definition:

  • (v. t.) To gain advantage over by arts, stratagem, or deception; to decieve; to delude; to get around.

Example Sentences:

  • (1) One would expect banks to interpret this in a common sense and straightforward way without trying to circumvent it."
  • (2) To circumvent the restriction of having to analyze relatively short PCR fragments, restriction endonucleases were used to cleave a longer PCR product and the mixture of fragments was analyzed directly in SSCP gel electrophoresis.
  • (3) In order to circumvent the inhibitory reaction potentially occurring in cell-free systems, R-5020-binding studies additionally were performed in cell suspension.
  • (4) To circumvent this problem, 11 available brands of micropore filters (five prepacked and six to be packed and autoclaved) were investigated with the aim of finding the least toxic product.
  • (5) The detection of antigen in samples of urine collected serially may circumvent this problem in the future.
  • (6) This article describes one way of circumventing these disadvantages.
  • (7) The transplantation of a reduced liver was conceived to circumvent this problem.
  • (8) The data provide strong indications that one critical role of T-cell participation in humoral responses to antigens is to circumvent the development of a tolerogenic signal that, in the absence of such T-cell function, might otherwise ensue after binding of the antigenic determinants by specific precursor B lymphocytes.
  • (9) To circumvent this problem a general assay for the turn-off reaction has now been developed.
  • (10) Unlike Saudi Arabia, where consensual phone relationships between men and women are struck up to circumvent the gender segregation in the country, in Egypt these calls are one-sided and predatory – an outlet for lewd and violating language.
  • (11) This method provides an improvement in sensitivity over extant spectrophotometric methods and circumvents limitations of assays using radioactive pyruvate.
  • (12) These findings indicate alternative metabolic pathways may be operational in newborn rat brain enabling it to circumvent major blockage in thiamine-dependent reactions.
  • (13) Similarly, many pitfalls may be circumvented by the simple expedient of close collaboration between urologist and radiologist, and by the reluctance of either to accept urography that is suboptimal by current standards.
  • (14) In contrast, these deletions do not circumvent aerobic repression of the nar operon (encoding the anaerobic respiratory enzyme nitrate reductase) under the control of the pleiotropic fnr gene product.
  • (15) In many samples, dynamical scattering and other non-linear effects limit the information in the image, but this limit can be circumvented by working in very thin areas of the specimen.
  • (16) Under "strong" antigen stimulation the IgE blockade is circumvented, presumably via the production of excessive amounts of interleukin-4 (IL-4).
  • (17) The present findings suggest the utility of CPIB as a selective agent to circumvent ADR resistance and to reduce host toxicity due to the drug.
  • (18) As the Electronic Frontier Foundation has noted , “this is a recipe for disaster,” and it is being done by circumventing the normal democratic process.
  • (19) A method was developed which circumvents the problems of the anticomplementary properties of agar media and the requirement of some L-phase variants for concentrations of salt that inhibit complement.
  • (20) To circumvent this complication, the VCG was reconstructed from the simultaneously recorded ECG leads.

Obstruct


Definition:

  • (v. t.) To block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.
  • (v. t.) To be, or come, in the way of; to hinder from passing; to stop; to impede; to retard; as, the bar in the harbor obstructs the passage of ships; clouds obstruct the light of the sun; unwise rules obstruct legislation.

Example Sentences:

  • (1) We have previously shown that intratracheally instilled silica (quartz) produces both morphologic evidence of emphysema and small-airway changes, and functional evidence of airflow obstruction.
  • (2) Evaluation revealed tricuspid insufficiency, a massively dilated right internal jugular vein, and obstruction of the left internal jugular vein.
  • (3) A segment of vas deferens was transplanted to the contralateral deferens with the intention of improving treatment for certain cases of infertility caused by obstruction.
  • (4) In the case presented, overdistension of a jejunostomy catheter balloon led to intestinal obstruction and pressure necrosis (of the small bowel), with subsequent abscess formation leading to death from septicemia.
  • (5) During the procedure, acute respiratory failure developed as a result of tracheal obstruction.
  • (6) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
  • (7) Delineation of the presence and anatomy of an obstructed, nonfunctioning upper-pole duplex system often requires multiple imaging techniques.
  • (8) Therefore, the measurement of the alpha-antitrypsin content plays the crucial part in differential diagnosis of primary (hereditary determined) and secondary (obstructive) emphysema.
  • (9) In 2 patients who had received cadaveric renal allograft, ureteral obstruction was detected six and one-half and five and one-half years after transplantation.
  • (10) Two cases are presented of bilateral ureteral obstruction and uremia due to pressure from nodes involved in disseminated lymphoma.
  • (11) The occurrence of episodes of desaturation during sleep in patients suffering from chronic airflow obstruction is well known.
  • (12) Keep it in the ground campaign Though they draw on completely different archives, leaked documents, and interviews with ex-employees, they reach the same damning conclusion: Exxon knew all that there was to know about climate change decades ago, and instead of alerting the rest of us denied the science and obstructed the politics of global warming.
  • (13) Tubal obstruction could be demonstrated in only one of these patients.
  • (14) Schistosomal obstructive uropathy was studied by clinical, laboratory epidemiologic and pathologic analysis in 155 Egyptian patients treated surgically.
  • (15) For obstruction of greater than or equal to 50% of the pulmonary vascular cross-sectional area and pulmonary hypertension thrombolytic therapy should be given and insertion of an inferior caval filter can be considered.
  • (16) Regression of the tumor occurred during an episode of mechanical small bowel obstruction.
  • (17) Comparison with 99Tc-pyrophosphate uptake in infarcted dog heart, induced by selective obstruction of a coronary artery, suggest that the 111In-labelled F(ab')2 localizes specifically in infarcted myocardium only.
  • (18) In case of biliary and pancreatic duct obstruction with pure pancreatic reflux, both oedema and inflammatory infiltrations were evident, whereas, in the presence of biliary reflux too, more serious histological features were detected.
  • (19) We recently treated a patient in whom HPVG was caused by intestinal pseudo-obstruction.
  • (20) In patients with acute exacerbations of chronic obstructive pulmonary disease, although either sympathomimetic or anticholinergic therapy provides bronchodilatation, no further benefit could be demonstrated from combination therapy.