What's the difference between obliterate and undefine?

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.

Undefine


Definition:

  • (v. t.) To make indefinite; to obliterate or confuse the definition or limitations of.

Example Sentences:

  • (1) These methods can be applied to the purification and characterization of the as yet undefined secretory and circulating forms of PTHrP.
  • (2) The data dissociate two 1,25(OH)2D effects, direct attenuation of activation of Ns via the PTH receptor and interference with the as yet undefined mechanism(s) of GC augmentation.
  • (3) Differences in the degree of inhibition of the binding of the two MABs by individual anti-A or -A,B samples indicate that polyclonal reagents are composed of varying proportions of up to 3 (or more) different antibody specificities, each recognizing a distinct epitope: PL41-like, AL62-like and a third (as yet undefined) category of antibody.
  • (4) Beijing says the island outposts will serve maritime search and rescue missions, disaster relief, environmental protection as well as undefined military purposes.
  • (5) Thus, IVBAT appears to be a low-grade malignant mesenchymal neoplasm, composed of poorly differentiated mesenchymal cells, whose exact nature remains undefined with the currently used cell-type markers.
  • (6) This result suggests the presence on the peptidoglycan of gram-negative bacteria, of other undefined antigenic determinants.
  • (7) Genetic and biochemical evidence indicates that the product of the ros locus is a negative regulator of Ti plasmid genes and is related to undefined chromosomally encoded functions that are involved in the mutant phenotype.
  • (8) This enzyme was originally found as an undefined protein kinase, which could be activated by limited proteolysis by a Ca2(+)-dependent neutral protease, calpain.
  • (9) The nature of these undefined opioid binding sites is discussed.
  • (10) L3T4 may be an early component of the system that transduces the activation signal from the T-cell receptor complex to the cytoplasm, a cell-surface receptor for a yet undefined natural ligand that delivers a negative signal to the killer T cell, or it may modulate the avidity of the antigen-specific T-cell receptor through a direct physical association with it.
  • (11) Although, their insensitivity to low Cd2+ concentrations and sensitivity to Ni2+ ions would support the involvement of T-type calcium channels, the lack of effect of amiloride suggests that they belong to a yet undefined class of calcium channels.
  • (12) If, as a result of recent accomodations between man and the group A streptococcus, the risk of rheumatic fever is less, an undefinable risk nevertheless remains.
  • (13) The pathological events leading to the formation of an intracerebral hematoma following the evacuation of a chronic subdural hematoma still remain undefined.
  • (14) The data point to the presence of an as yet undefined CD4+ T cell-derived granuloma-inducing factor and favor the hypothesis that CD8+ T cells, in collaboration with circulating phagocytes, mediate immunity by rapidly liberating listeriae from permissive cells or protecting them from becoming infected.
  • (15) It is proposed that serum myoglobin is a reliable measure of myocardial necrosis and serves to detect a hitherto undefined population of small-size acute myocardial infarction, with its attendant clinical and prognostic implications.
  • (16) The generation of the stimulatory factor(s) present in glucocorticoid-conditioned medium is apparently dependent upon undefined cellular alterations which result from the subcultivation-procedure; confluent or low-density quiescent cultures did not generate media stimulatory to cell growth in the presence of glucocorticoids.
  • (17) Comparison of these data versus the known structure-activity relationships of alpha-MSH related to CNS bioactivities suggests the existence of nonclassical alpha-MSH receptor-mediated pathways or, perhaps, a yet undefined endogenous neuropeptidergic pathway(s) having different selectivities for alpha-MSH analogs.
  • (18) A normal electrical control activity frequency was present in three patients, one with a proven neuropathy and two with undefined pathology.
  • (19) These latter antibodies may recognize HLA DR or another as yet undefined gene product within, or closely associated to, the human MHC.
  • (20) Activation of 1,25-dihydroxyvitamin D formation may be secondary to hypophosphatemia or other, as yet undefined, factors.

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