(v.) That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
Example Sentences:
(1) Since the first is balked by the obstacle of deficit reduction, emphasis has turned to the second.
(2) If women psychiatrists are to fill some of the positions in Departments of Psychiatry, which will fall vacant over the next decade, much more attention must be paid to eliminating or diminishing the multiple obstacles for women who chose a career in academic psychiatry.
(3) Counselors who serve pregnant US teens face a number of obstacles in communicating adoption as a positive alternative.
(4) A major obstacle to the characterization of the latter two mechanisms has been the lack of suitable model systems expressing only a single nucleoside transport activity.
(5) These observations suggest that refractive anomalies such as anisometropia that limit high frequency spatial resolution and binocular integration can present a major obstacle to the postnatal development of binocular vision.
(6) The initiation of clinical trials on islet transplantation as a possible therapeutic approach for human diabetes had been blocked by 2 major obstacles.
(7) Venous ectasias and varices which can be encountered, associated with DVA constitute an acquired feature in relation to a venous outlet obstacle.
(8) Despite these obstacles, new technologies, coupled with educational efforts, should allow the computer to emerge as a crucial aid to clinicians in the decade ahead.
(9) Yet experience has disclosed an obstacle to understanding the relationship between cervical cancer and OC use--cervical cancer may be caused by the human papilloma virus transmitted by sexual intercourse.
(10) In this paper something is given of their evolution, diversity, aims and activities; and of the important role they now play in many instances, as well as some of the obstacles to collaboration, co-ordination and integration at different levels of operation--internationally, nationally and locally.
(11) It is no obstacle to perform pre- and postoperative radio- and chemotherapy.
(12) Obstacles to successful treatment include an erratic schedule, mistrust of authority, and uncooperative or aggressive behavior.
(13) One of the main obstacles for the introduction of PCR method to identify HIV1 proviral DNA in routine diagnostic laboratories is the use of radiolabelled oligodeoxynucleotide probes.
(14) Digital culture has hardly helped, adding revenge porn, trolls and stranger-shaming to the list of uncomfortable modern obstacles.
(15) She feared her chances of being offered a place would be diminished by a Brexit vote, and the practical considerations like a visa and funding would be more of an obstacle.
(16) It goes without saying that this won't be easy to achieve, and there are many obstacles to be overcome.
(17) Armstrong recognised no obstacle to his ambitions – not morality, not the law.
(18) Where foreign policy and defence are concerned, Britain’s desire to be taken very seriously is the chief obstacle to it being taken more seriously.
(19) The presence of calcifications within the thyroid cartilage is the major obstacle to US imaging of the larynx and is directly related to age; indeed, only 40% of subjects can be examined at the age of 70.
(20) Facebook Twitter Pinterest Britain needs to talk about the R-word: racism It is also a wakeup call to those who recognise racism only when it is played out like a scene from Django Unchained , those who think that racism has to be some vulgar incident perpetrated only by the backward, ignorant and poorly educated, those who believe that racism has to be an act, rather than a complicated and intangible framework that sets up obstacles.
Obstruction
Definition:
(n.) The act of obstructing, or state of being obstructed.
(n.) That which obstructs or impedes; an obstacle; an impediment; a hindrance.
(n.) The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death.
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.