(v. t.) To fix the bounds of; to bring to a termination; to end.
(v. t.) To determine or clearly exhibit the boundaries of; to mark the limits of; as, to define the extent of a kingdom or country.
(v. t.) To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly; as, the defining power of an optical instrument.
(v. t.) To determine the precise signification of; to fix the meaning of; to describe accurately; to explain; to expound or interpret; as, to define a word, a phrase, or a scientific term.
(v. i.) To determine; to decide.
Example Sentences:
(1) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
(2) In this article we report the survival and morbidity rates for all live-born infants weighing 501 to 1000 gram at birth and born to residents of a defined geographic region from 1977 to 1980 (n = 255) compared with 1981 to 1984 (n = 266).
(3) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
(4) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
(5) Anaerobes, in particular Bacteroides spp., are the predominant bacteria present in mixed intra-abdominal infections, yet their critical importance in the pathogenicity of these infections is not clearly defined.
(6) High-grade and low-grade candidemia were defined as 25 colony-forming units or more per 10 ml and 10 colony-forming units or fewer per 10 ml of blood, respectively.
(7) We reviewed our experience with femorofemoral bypass during the past 10 years to define its role relative to other methods in the treatment of aortoiliac occlusive disease.
(8) Periodontal disease activity is defined clinically by progressive loss of probing attachment and radiographically by progressive loss of alveolar bone.
(9) There is some correlation between PI values and clinical symptoms, but it is not as well defined as that between SI values and clinical symptoms.
(10) Our prospective study has defined a number of important variables in patients with clinical evidence of mast cell proliferation that can predict both the presence of SMCD and the likelihood of fatal disease.
(11) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
(12) We conclude that neuronal activities in the region of the retrofacial nucleus are important both in the integration of stimuli from the central chemoreceptors and in defining the discharge patterns of respiratory neurons.
(13) The study of cellular cyclic AMP level in response to extracellular adenosine stimulation in dividing cells and quiescent cells showed that cells in defined medium had a lower extent of response to adenosine compared to cells cultured in serum-containing medium.
(14) The authors describe the special medical expertise of the psychiatrist and define 11 indicators, such as a patient's need for new psychotropic medication or the presence of symptoms requiring medical or laboratory procedures, that can be used to determine whether psychiatric expertise is needed.
(15) The polymerization of dATP, dCTP, and dGTP onto the defined length initiator, d(pA)10, has been carried out in four buffers.
(16) Three subcohorts were defined: 3212 men whose only exposure to asbestos was to amosite; 3430 exposed to crocidolite; and 675 to both amphiboles.
(17) The literature is reviewed to define the role of the different treatment modalities.
(18) The amount of intracellular, iodophilic, glycogen-like polysaccharide (IPS) present in cells of two strains of Streptococcus mutans at various stages of growth in a chemically defined medium was determined by quantitative electron microscopy.
(19) The Department for International Development (DfID) defines funding provided under the VUP as "financial aid to government".
(20) Patients were divided into two groups: poor outcome, defined by the death or a post-operative Karnofsky index less than or equal to 70 (n = 36), and good outcome defined by a Karnofsky index of 80 or more (n = 60).
Indeterminate
Definition:
(a.) Not determinate; not certain or fixed; indefinite; not precise; as, an indeterminate number of years.
Example Sentences:
(1) This technique was applied to a discriminant function model using selected electroencephalographic sleep measures (sleep maintenance, percentage of rapid-eye-movement sleep, and percentage of indeterminate non-rapid-eye-movement sleep) in elderly patients with major depression or dementia of the Alzheimer type.
(2) The rapidity of obtaining the results (within one hour), the complete absence of untoward reactions to the radiopharmaceuticals, the much lower frequency of subtle or indeterminate results, the ability to render useful information in the presence of moderate jaundice and the lack of interference from overlying intestinal contents establishes these radionuclide agents as superior to both radiographic oral and intravenous cholangiography in the investigation of the acute abdomen.
(3) Two complementary tests were used: a radioimmunoprecipitation assay (RIPA) and a HIV EIA recombinant assay (ENVACOR) to check 53 of these indeterminate sera.
(4) After complete, high quality x-ray mammography, a palpable mass or nonpalpable mammographic abnormality may remain indeterminate in etiology, and ultrasound may be useful as an adjunctive diagnostic modality.
(5) For the antibody-negative specimens, 90.3% of the results were interpreted as negative, 1.3% as positive, and 8.4% as indeterminate.
(6) David Anderson QC, the independent reviewer of terrorism legislation and a man you should always take seriously, believes there is a "small but indeterminate category of national security-related claims" in which closed hearings would be justified.
(7) Until recently it has been difficult to counsel blood donors with human immunodeficiency virus-1 (HIV-1)-indeterminate Western blot results due to a lack of information concerning the significance of this finding.
(8) Among Group 3 two target lesions could not be identified on specimen radiographs and one was indeterminate.
(9) As each microregion contains an unknown amount of embedding medium, this quantity generally lies indeterminately somewhere within the wide range between mmol of element per kg of hydrated tissue and mmol of element per kg of dehydrated tissue.
(10) Of the 12 children with continued indeterminate HIV-1 status, eight showed neither slgA nor serologic evidence of infection and four showed slgA antibodies.
(11) In the third case, which on gray-scale imaging appeared as an indeterminate cystic structure of the cord, color Doppler imaging demonstrated a complex abnormal vascular pattern suggestive of an angiomyxoma.
(12) Twenty six type strains were readily grouped, the oxidase positive, the oxidase negative, and the oxidase indeterminate groups.
(13) Clinical results included 18 cures, 3 improvements, 2 indeterminates, and 6 failures.
(14) No serum specimen collected after 2-11 months from individuals with indeterminate Western blot results was positive by EIA or Western blot.
(15) Of 198 patients who had colectomy or proctocolectomy because of inflammatory bowel disease, 52% had ulcerative colitis and 37% had Crohn's disease, 11% were indeterminable according to histologic evaluation of the surgical specimens.
(16) Physicians have generally remained passive or intransigent as the society in which they function attempts to compensate for the indeterminate nature of these clinical questions.
(17) Sixty-six patients had normal lung scans, 29 had high-probability defects suggestive of PE, and 21 had indeterminate-probability of PE.
(18) The cumulative patency rate at 5 years was 80% in the atherosclerosis group, 89% in the FMD group, and 74% in the indeterminate group.
(19) The results suggest that Chagas' disease in rhesus monkeys reproduces the acute and indeterminate phases of human Chagas' disease.
(20) In a large number of cases the initial manifestations are those of the indeterminate form and, in an even larger number of cases, of the tuberculoid pole.