(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.
Phase
Definition:
(n.) That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.
(n.) Any appearance or aspect of an object of mental apprehension or view; as, the problem has many phases.
(n.) A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.
(n.) Any one point or portion in a recurring series of changes, as in the changes of motion of one of the particles constituting a wave or vibration; one portion of a series of such changes, in distinction from a contrasted portion, as the portion on one side of a position of equilibrium, in contrast with that on the opposite side.
Example Sentences:
(1) At the early phase of the sensitization a T-cell response was seen in vitro, characterized by an increased spleen but no peripheral blood lymphocyte reactivity to T-cell mitogens at the same time as increased reactivity to the sensitizing antigen was detected.
(2) It was found that linear extrapolations of log k' versus ET(30) plots to the polarity of unmodified aqueous mobile phase gave a more reliable value of log k'w than linear regressions of log k' versus volume percent.
(3) dl-Methionine stimulated the synthesis of cephalosporins when added after the growth phase.
(4) One of these antibodies, MCaE11, was used for immunohistochemical detection of MAC in tissue and for quantification of the fluid-phase TCC in ethylenediaminetetraacetic acid plasma.
(5) The first phase evaluated cytologic and colposcopic diagnoses in 962 consecutive patients in a community practice.
(6) An initial complex-soma inflection was observed on the rising phase of the action potential of some cells.
(7) The country has no offshore wind farms, though a number of projects are in the research phase to determine their profitability.
(8) Under these conditions the meiotic prophase takes place and proceeds to the dictyate phase, obeying a somewhat delayed chronology in comparison with controls in vivo.
(9) Epidermal growth factor reduced plating efficiency by about 50% for A431 cells in different cell cycle phases whereas a slight increase in plating efficiency was seen for SiHa cells.
(10) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
(11) In this phase the educational practices are vastly determined by individual activities which form the basis for later regulations by the state.
(12) Optimum rates of acetylene reduction in short-term assays occurred at 20% O2 (0.2 atm (1 atm = 101.325 kPa] in the gas phase.
(13) During the chronic phase, pain was assessed using visual analogue scales at 8 AM and 4 PM daily.
(14) High levels of spirochetes also were detected in diseased sites with phase-contrast microscopy.
(15) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
(16) It is suggested that the rapid phase is due to clearance of peptides in the circulation which results in a fall to lower blood concentrations which are sustained by slow release of peptide from binding sites which act as a depot.
(17) This article reviews the care of the chest-injured patient during the intensive care unit phase of his or her recovery.
(18) We concluded that ketamine potentiates the Phase I and the Phase II neuromuscular blocks of succinylcholine.
(19) In later phases, mast cells appeared in the newly formed marrow in the external callus.
(20) Each patient contributed only once to each phase (105 in phase 1, 107 in phase 2), but some entered both phases on separate occasions.