(v. t.) To form, as sound, to a certain key, or to a certain portion.
(v. t.) To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking.
(v. i.) To pass from one key into another.
Example Sentences:
(1) The variation in thickness of the LLFL may modulate the species causing damage to the cells below it.
(2) These included bringing in the A* grade, reducing the number of modules from six to four, and a greater attempt to assess the whole course at the end.
(3) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
(4) Quantitative determinations indicate that the amount of PBG-D mRNA is modulated both by the erythroid nature of the tissue and by cell proliferation, probably at the transcriptional level.
(5) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
(6) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
(7) Modulation of the voltage-gated K+ conductance in T-lymphocytes by substance P was examined.
(8) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
(9) This study examines the role of sex hormones in modulating the expression of autoimmunity in NZB x NZW F1 mice.
(10) More needs to be known about the direct and indirect modulation of cytokine production by cyclosporin A in connective tissues, in order to understand its potential value in clinical disorders.
(11) We suggest that neuronal PACAP may serve to modulate motor activity and secretion in the lower esophageal sphincter region.
(12) Furthermore, modulation of the assay by prostaglandin E2 (PGE2) was used to increase its sensitivity.
(13) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
(14) From these results, BM-Eo are naive and seem to be a good indicator for eosinophilotaxis and its modulation.
(15) Administration of modulators in combinations of threes resulted in still further reduction of tumor incidences to 22.2% (SS + MC + AA), 19.2% (SS + MC + RA), 16% (MC + AA + RA) and 23.1% (AA + RA + SS).
(16) These findings suggest that activation of protein kinase C may act as a feedback inhibitor to modulate ligand-mediated increases in [Ca2+]i.
(17) These studies demonstrate that vWF interaction with GP Ib may be modulated by botrocetin binding to a discontinuous site located within residues 539-643.
(18) This contrasts sharply with the reduction in both the frequency and surface area of sensory neuron active zones that accompanies long-term habituation, and suggests that modulation of active zone number and size may be an anatomical correlate that lies in the long-term domain.
(19) Thus, it appears that the modulation of the phosphorylation of these cytosolic proteins represents an essential step in the regulation of T lymphocyte activation.
(20) Energy conformational calculations on these compounds were also carried out using the empirical energy program called MOLMEC, in order to better understand how the 4-R substituents modulate receptor binding affinities and efficacies.
Proportion
Definition:
(n.) The relation or adaptation of one portion to another, or to the whole, as respect magnitude, quantity, or degree; comparative relation; ratio; as, the proportion of the parts of a building, or of the body.
(n.) Harmonic relation between parts, or between different things of the same kind; symmetrical arrangement or adjustment; symmetry; as, to be out of proportion.
(n.) The portion one receives when a whole is distributed by a rule or principle; equal or proper share; lot.
(n.) A part considered comparatively; a share.
(n.) The equality or similarity of ratios, especially of geometrical ratios; or a relation among quantities such that the quotient of the first divided by the second is equal to that of the third divided by the fourth; -- called also geometrical proportion, in distinction from arithmetical proportion, or that in which the difference of the first and second is equal to the difference of the third and fourth.
(n.) The rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional.
(v.) To adjust in a suitable proportion, as one thing or one part to another; as, to proportion the size of a building to its height; to proportion our expenditures to our income.
(v.) To form with symmetry or suitableness, as the parts of the body.
(v.) To divide into equal or just shares; to apportion.
Example Sentences:
(1) The proportion of teeth per child with calculus was approximately 8 percent for supragingival and 4 percent for subgingival calculus.
(2) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
(3) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
(4) Lp(a) also complexes to plasmin-fibrinogen digests, and binding increases in proportion to the time of plasmin-induced fibrinogen degradation.
(5) A tiny studio flat that has become a symbol of London's soaring property prices is to be investigated by planning, environmental health and fire safety authorities after the Guardian revealed details of its shoebox-like proportions.
(6) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(7) (Predictive value positive refers to the proportion of all people identified who actually have the disease.)
(8) Of the 622 people interviewed, a large proportion (30.5%) believed that the first deciduous tooth should erupt between the age of 5-7 months; the next commonly mentioned time of tooth eruption was 7-9 months of age; and 50.3% of the respondents claimed to have seen a case of prematurely erupted primary teeth.
(9) The decline in the frequency of serious complications was primarily due to a decrease in the proportion of patients with open fractures treated with plate osteosynthesis from nearly 50% to 19%.
(10) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
(11) Even if it were not the case that police use a variety of tricks to keep recorded crime figures low, this data would still represent an almost meaningless measure of the extent of crime in society, for the simple reason that a huge proportion of crimes (of almost all sorts) have always gone unreported.
(12) Using serial section electron microscopic reconstructions as a reference, we have chosen as our standard procedure a method that maximizes both the preservation of the cytoskeleton and the proportion of cells staining, while minimizing the degree of nonspecific staining.
(13) Little difference exists between the proportion of programs that offer training in first-trimester techniques and the proportion that train in second-trimester techniques.
(14) B and C, were identified and their relative proportions shown to be considerably greater in the foetus than in the adult.
(15) The distance of nucleoid sedimentation increased as a function of exposure temperature and exposure time, and was proportional to an increased protein to DNA ratio in the nucleoids.
(16) The fragile site at 10q25 was expressed in larger proportions of malignant than normal cells.
(17) The failure rates of the 2 regimens to suppress lactation were similar; however, rebound lactation occurred in a small proportion of women treated with bromocriptine.
(18) The antibody-hapten profiles revealed that the DNCB-fed animalss contained predominatly IgG2 in their serum by the time of their initial bleedings, whereas sensitized animals still contained a considerable proportion of more acidic antibodies having marked charge heterogeneity.
(19) The resistance proved to be directly dependent upon the specific antisense RNA and to be inversely proportional to the multiplicity of infecting polyoma.
(20) It is intended to aid in finding the appropriate PI (proportional-integral) controller settings by means of computer simulation instead of real experiments with the system.