What's the difference between obliterate and obviate?

Obliterate


Definition:

  • (v. t.) To erase or blot out; to efface; to render undecipherable, as a writing.
  • (v. t.) To wear out; to remove or destroy utterly by any means; to render imperceptible; as. to obliterate ideas; to obliterate the monuments of antiquity.
  • (a.) Scarcely distinct; -- applied to the markings of insects.

Example Sentences:

  • (1) A new technique to obliterate the mastoid volume or to reduce an old cavity by means of hydroxyapatite granulate is presented.
  • (2) The dilemma focuses on whether the obliteration or removal of the cystic areas will benefit or cause further deterioration of the patient's condition.
  • (3) The peculiar configuration of the pneumocephalus is attributed to the partial obliteration of the subarachnoid space due to the increased intracranial pressure.
  • (4) On 26 April 1937 this market town was obliterated in three hours of bombing by Nazi planes, allies of Generalísimo Francisco Franco’s fascists in the Spanish civil war.
  • (5) It is concluded that obliteration of oesophageal varices by endoscopic sclerotherapy and propranolol may be more effective in the long-term control of variceal recurrence than treatment with sclerotherapy only.
  • (6) Practolole, a selective beta1-adrenoblocking agent, potentiates the effect of cordarone on the myocardium and also obliterates the difference between the effects of the drug in animals under general anesthesia and in free behavior.
  • (7) Neutral dextran clearances for radii greater than 30 A were elevated during the PEAK period, and, concurrently, there was extensive intraglomerular microthrombosis, obliteration of foot processes, and disruption of filtration slit diaphragms.
  • (8) Obliteration of the endolymphatic duct resulted in endolymphatic hydrops of varying severity in 55% of the rats, after survival times varying from one to five months.
  • (9) Obliteration of the right endolymphatic sac was performed by Kimura's method in 57 guinea pigs with normal hearing and vestibular function.
  • (10) Soft tissue obliteration with autograft bone paste is the most versatile and commonly used technique.
  • (11) Obliteration of the empty sella with an extradural silicone balloon via the transsphenoidal approach seemed to have been effective for headache and visual complaints of primary empty sella syndrome which did not respond to medical therapy.
  • (12) Discoloration and pulpal obliteration were the major manifestations.
  • (13) The treatment was almost only in those angiopathies successful, in which the fluorescein angiography showed a preponderance of the hyperpermeability over the obliterating process of retinal capillaries.
  • (14) In conclusion, obliteration of the inner margin of the central vein and the opacity that decreased the radiolucency extending to the peripheral side of the upper lobe bronchus are strongly suggestive of interlobar lymph node enlargement.
  • (15) The veins which are not compressable during erection can eventually be obliterated under radiological control with the help of mini-coils.
  • (16) Direct injection of gastric varices is difficult because of increased postsclerotherapy bleeding, but sclerosis of esophageal varices often leads to their obliteration by the caudad flow of sclerosant.
  • (17) The prerequisites to achieve this goal are: the radical exenteration of the mastoid, antrum and epitympanum, the maximal reduction of the volume of the cavity by extensive lateral removal of bone and the adequate shaping of the cavity walls by obliteration of the bone pockets.
  • (18) In 20-35 per cent of short (up to 05 cm) urethral stenosis or cicatricial obliterations of urethra it was found advisable to start the treatment with nonoperative technique.
  • (19) Polypropylene mesh is then passed down the laparoscope, placed into the defect to obliterate the space, and the edges of the peritoneum are then reapproximated.
  • (20) A combined morphological and physiological study on the effect of saccus obliteration on the cochlea and the vestibular labyrinth of the rat is presented.

Obviate


Definition:

  • (v. t.) To meet in the way.
  • (v. t.) To anticipate; to prevent by interception; to remove from the way or path; to make unnecessary; as, to obviate the necessity of going.

Example Sentences:

  • (1) The phenylalanine model allows the rapid assessment of whole body and muscle protein turnover from plasma samples alone, obviating the need for measurement of expired air CO2 production or enrichment.
  • (2) In this series, the association between the anomalous ductal insertion and biliary tract disease cannot be established, since the method of patient selection obviates any epidemiologic consideration.
  • (3) The intracellular localization of tachyzoites facilitated diagnosis by obviating potential confusion of extracellular tachyzoites with cellular debris or platelets.
  • (4) Still, there are some aspects of Palin’s channel to recommend it to the devoted movement conservative that isn’t necessarily already a fan of hers – especially its obviating the need to resort to Palinology.
  • (5) Thorough monitoring during surgery, careful selection of patients, and close communication between the surgeon and anesthesiologist permit safe anesthesia, can decrease operating time, and usually obviate the need for transfusions.
  • (6) Cotrel-Dubousset instrumentation (CDI) has been gaining popularity in scoliosis surgery because of their improved rigidity which can obviate the need for a brace in most cases.
  • (7) Postoperative radiotherapy appeared to be effective in obviating local recurrence in patients with adenoid cystic carcinoma of the trachea.
  • (8) Dosage adjustments usually obviate unwanted effects except for paradoxical reactions such as hostility.
  • (9) Using nuclear runoff transcription assays we demonstrated that alpha interferon-mediated induction of transcription of four mRNAs in HeLa monolayer cells needed ongoing protein synthesis and that such a need could be obviated by pretreating the cells with gamma interferon which, by itself, did not induce transcription of these mRNAs.
  • (10) It obviates the need for excision in patients who fulfill the aforementioned criteria.
  • (11) In summary, endoscopic dilatation for postgastroplasty strictures is a useful and effective technique, obviating the need for operative revision in the majority of patients; however, when the stenosis is associated with channel angulation, dilatation is almost uniformly unsuccessful.
  • (12) To obviate this problem, we have covalently attached deferoxamine to high molecular weight carbohydrates such as dextran and hydroxyethyl starch.
  • (13) Serum components inhibit DNA polymerase, thereby obviating direct detection of serum viral DNA sequences by the polymerase chain reaction (PCR).
  • (14) Sources say Elisabeth, who turned 44 on Wednesday, has no desire to leave Britain and believes her father can carry on for at least another 10 years, obviating any need for a succession decision.
  • (15) Gastric resection may still be unavoidable as a diagnostic procedure in a minority of cases and may represent the primary therapeutic procedure in clinically assessed early-stage and low-risk patients, but it cannot be considered mandatory whenever possible merely for debulking purposes or to obviate possible perforation or hemorrhage.
  • (16) The use of a malleable curved disposable suction cautery for the control of any persistent bleeding at the conclusion of adenoidectomy in over 1000 cases has prevented any primary postoperative hemorrhages from the nasopharynx, and obviated the need for post-nasal packing.
  • (17) These responses can be obviated by intravascular volume expansion.
  • (18) In older patients the finding could be misinterpreted as evidence of extracranial cerebrovascular disease, but clinical considerations should obviate unnecessary neuroradiological diagnostic procedures.
  • (19) Elective caesarean section at 38 weeks' gestation may obviate the problem, since it prevents trauma during vaginal delivery but it will not eliminate neurological sequelae in those infants who have already suffered antenatal intracranial bleeding, an entity now well described in these fetuses.
  • (20) Timely intervention by other diagnostic modalities may obviate the consideration of chemotherapy in cases where there are no liver metastases.