(n.) A supposition; a proposition or principle which is supposed or taken for granted, in order to draw a conclusion or inference for proof of the point in question; something not proved, but assumed for the purpose of argument, or to account for a fact or an occurrence; as, the hypothesis that head winds detain an overdue steamer.
(n.) A tentative theory or supposition provisionally adopted to explain certain facts, and to guide in the investigation of others; hence, frequently called a working hypothesis.
Example Sentences:
(1) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
(2) The generally accepted hypothesis is a coronary spasm but a direct cardiotoxicity of 5-FU cannot be.
(3) The results of our microscopic model confirm that the continuum hypothesis used in our previous macroscopic model is reasonable.
(4) The authors empirically studied the self-medication hypothesis of drug abuse by examining drug effects and motivation for drug use in 494 hospitalized drug abusers.
(5) Evidence is presented in support of the hypothesis that fresh bat guano serves as a means of pathogenic fungi dissemination in caves.
(6) The present study was designed to test the hypothesis that the decreased Epi response following ET was due to 1) depletion of adrenal Epi content such that adrenomedullary stimulation would not release Epi, 2) decreased Epi release with direct stimulation, i.e., desensitization of release, or 3) decreased afferent signals generated by ET itself.
(7) Implications of the theory for hypothesis testing, theory construction, and scales of measurement are considered.
(8) The 14-fold increase in prolonged apnea frequency immediately following regurgitation supports the hypothesis for a causal relationship between apnea and regurgitation.
(9) The hypothesis that experimentally determined survival times of Treponema pallidum in stored donor blood could be related to the number of treponemes initially present in the treponeme-blood mixtures was investigated by inoculating rabbits with three graded doses of treponemes suspended in donor blood and stored at 4 degrees C for various periods of time.
(10) Following the hypothesis that infertile patients may present emotional conflicts with regard to the wish of having a child, psychodynamic interviews were carried out with 116 infertile couples concomitantly with their first consultation at the Sterility Department.
(11) Results were inconsistent with both the feature detector fatigue and response bias hypothesis.
(12) This hypothesis is supported by our recent report that immunoreactive human PRL (ir-hPRL) is produced by and required for the continuous growth of sfRamos, a Burkitt tumor serum-free cell line.
(13) This hypothesis is difficult to substantiate with direct measurements using human subjects.
(14) We tested the hypothesis that furosemide interferes with energy generation in the cochlea, and determined its effect on CO2 formation from glucose and glyceroaldehyde-3-phosphate dehydrogenase (GAPDH) activity by examining biochemical and histochemical changes in the cochlea, the kidney, and the liver.
(15) Our data support the hypothesis that evoked and epileptiform magnetic fields result from intradendritic currents oriented perpendicular to the cortical surface.
(16) This observation seriously challenges the hypothesis that SCE cancellation results as a consequence of persistence of the lesions induced by these agents.
(17) The hypothesis that the standard acoustic startle habituation paradigm contains the elements of Pavlovian fear conditioning was tested.
(18) In this study we tested the hypothesis that regardless of concentration pattern and exposure rate the same exposure dose of O3 will induce the same spirometric response.
(19) We put forward the hypothesis that the agglutinability in acriflavine, together with the PAGE profile type II, may be associated with particular structures responsible for virulence.
(20) After an introductory note on primary preventive intervention of breast cancer during adulthood, the author defends and extends a hypothesis that relates most of the known risk factors for this disease to the development of preneoplastic lesions in the breast.
Presumptive
Definition:
(a.) Based on presumption or probability; grounded on probable evidence; probable; as, presumptive proof.
(a.) Presumptuous; arrogant.
Example Sentences:
(1) Additional presumptive evidence indicated that this resistance phenomenon is not mediated extrachromosomally, but rather chromosomally.
(2) A modified rapid presumptive test to detect salmonellae in food and food ingredients was described by Hoben et al.
(3) Three discrete cell populations were thus defined, differing in mean cell diameter TdT+ 14.8- mu-, 9.5 micron; TdT+ 14.8+ mu-, 10 microns; and TdT- 14.8+ mu-, 11.5 micron, presumptively representing a sequence of cell stages preceding the expression of mu chains in large pre-B cells (TdT- 14.8+ c mu+ s mu-, 11.5 microns).
(4) The presumptive origin of this entity is briefly discussed.
(5) Patients with presumptive Alzheimer's disease (AD) and healthy community volunteers received computed tomographic (CT) brain scans and cognitive tests.
(6) It is now recognized that presumptive positive screening results have to be confirmed by an analytical procedure based on a different chemical technique with greater than or equal sensitivity to the screening test.
(7) In addition, E9 primary cultures contain a transient subpopulation of presumptive mesenchymal stem or progenitor cells that lack density dependent inhibition of growth [contact-insensitive (CS-) cells].
(8) Because the pathophysiology of many drug eruptions is unknown, the presumption that a drug eruption is due to immune mechanisms is often based on clinical features.
(9) The clinical situation presumptive of tentorial herniation included: partial (2 patients) or total (2 patients) secondary third nerve palsy, homolateral to the cerebral lesion; noncomatose state with initial Glasgow verbal score of 3 or greater; slight or no contralateral deficit.
(10) Peripheral processes of dorsomedially situated ganglion cells course dorsally toward the presumptive vibrissa field, and those of ventrolaterally situated ganglion cells project ventrally.
(11) The importance of ectopy in the genesis of cervical malignancy has been derived from the presumption that permissive cervical cells are thus created and exposed to vaginal contents which may harbor the mutagens(s).
(12) Patterns of HA distribution in anterior, posterior and presumptive soft palate were examined in the secondary palatal shelves of CD-1 mouse fetuses that were 30, 24 and 18 h prior to, and at the time of, shelf reorientation.
(13) In other experiments, presumptive GABAergic projections to MD were studied by using 3H-GABA as a retrograde tracer.
(14) The computerized tomography appearance of these meningiomas may mimic that of a glial or metastatic tumor with cystic or necrotic changes, and lead to an incorrect presumptive diagnosis.
(15) The radial component of the rate of movement toward the center of the presumptive prestalk region was calculated.
(16) The middle term attracts the most scepticism, based on the presumption that just because your field isn't professionally accredited, you do not know anything and you can't process information.
(17) In cross-plaque reduction neutralization tests with cloned viruses that represented human pathogens, rabies, Duvenhage, and Mokola, on the one hand, and the presumptive arboviruses Obodhiang and kotonkan, on the other hand, Mokola virus shared common antigenic components with both the nonarboviruses and the arboviruses.
(18) The procedures described are rapid and simple and provide a direct presumptive identification of the gram-negative rods most commonly found in blood cultures.
(19) The first aggregations of presumptive ganglionic cells were observed in 12 day-old embryos.
(20) Utilization of additional cap sites mapping further upstream was also observed in certain cells, most notably thymocytes, and this gave rise to RNA species (4.3-5.6 kb) larger than the presumptive mRNA.