(v. t.) To make thin or slender, as by mechanical or chemical action upon inanimate objects, or by the effects of starvation, disease, etc., upon living bodies.
(v. t.) To make thin or less consistent; to render less viscid or dense; to rarefy. Specifically: To subtilize, as the humors of the body, or to break them into finer parts.
(v. t.) To lessen the amount, force, or value of; to make less complex; to weaken.
(v. i.) To become thin, slender, or fine; to grow less; to lessen.
(a.) Alt. of Attenuated
Example Sentences:
(1) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
(2) The results are consistent with our previous suggestion that lethality for virulent SFV infection results from a lethal threshold of damage to neurons in the CNS and that attenuating mutations may reduce neuronal damage below this threshold level.
(3) Exposure to nanomolar concentrations of saralasin, an Ang II agonist, attenuated the passage of the fluorophores across the monolayers by 50-75%.
(4) Furthermore, the ability of a vasopressin antagonist to lower arterial pressure in NTS hypertensive rats was markedly attenuated by clonidine treatment.
(5) These results indicate that during IPPV the increased Pcv attenuates the pressure gradient for venous return and decreases CO and that the compensatory increase in Psf is caused by a blood shift from unstressed to stressed blood volume.
(6) Mild, significant improvement was noted in one of the hearing components, "attenuation," and an adverse effect was shown on "distortion," owing to noise.
(7) It inhibits platelet and vascular smooth muscle activation by cGMP-dependent attenuation of the agonist-induced rise of intracellular free Ca2+.
(8) Genetic regulation of the ilvGMEDA cluster involves attenuation, internal promoters, internal Rho-dependent termination sites, a site of polarity in the ilvG pseudogene of the wild-type organism, and autoregulation by the ilvA gene product, the biosynthetic L-threonine deaminase.
(9) Pharmacodynamic relationships are not well established for other therapeutic effects of theophylline, such as attenuation of pharmacologically induced bronchoconstriction.
(10) Propranolol, 0.85 X 10(-6) M, did not significantly depress the ouabain-enhanced rate of phase 4 depolarization but did attenuate the response to epinephrine through beta blockade.
(11) After large bowel removal, there was impaired glucose tolerance and attenuated plasma insulin secretion.
(12) Studies were conducted in isolated, buffer-perfused rat lungs to determine if prostaglandin (PG) E1 attenuated pulmonary edema provoked by hydrogen peroxide (H2O2).
(13) The toxins preferentially attenuate a slow phase of KCl-evoked glutamate release which may be associated with synaptic vesicle mobilization.
(14) The Northern quahaug and a strain of the type 1 attenuated poliovirus were used as the working model.
(15) Our dynamic study indicated that: 1) a bolus injection of contrast medium with our method of CTA (CTA-B) produced an attenuation difference between liver and tumor which was about double that obtained with standard methods for CTA, and 2) marked tumor-liver attenuation differences (above 20 HU) persisted for more than 60 s in CTA-B and for not more than 20 s with conventional methods for CTA.
(16) It appears that the viscosity of the arterial wall must be the major source of attenuation in the larger arteries, while the viscosity of the blood plays a significant role only in the smaller vessels.
(17) Fluid movement out of the ICF space attenuated the decrease in the ECF space.
(18) We show that the two mutants (A44 and A46) affect attenuator control by different mechanisms.
(19) The type I cells are squamous and give off attenuated sheets of cytoplasm which spread widely over the septal surface; these sheets contain few organelles.
(20) A sequence of seven pairings of chili-flavored diet with prompt recovery from thiamine deficiency did significantly attenuate the innate aversion and may have induced a chili preference in at least one case.
Base
Definition:
(a.) Of little, or less than the usual, height; of low growth; as, base shrubs.
(a.) Low in place or position.
(a.) Of humble birth; or low degree; lowly; mean.
(a.) Illegitimate by birth; bastard.
(a.) Of little comparative value, as metal inferior to gold and silver, the precious metals.
(a.) Alloyed with inferior metal; debased; as, base coin; base bullion.
(a.) Morally low. Hence: Low-minded; unworthy; without dignity of sentiment; ignoble; mean; illiberal; menial; as, a base fellow; base motives; base occupations.
(a.) Not classical or correct.
(a.) Deep or grave in sound; as, the base tone of a violin.
(a.) Not held by honorable service; as, a base estate, one held by services not honorable; held by villenage. Such a tenure is called base, or low, and the tenant, a base tenant.
(n.) The bottom of anything, considered as its support, or that on which something rests for support; the foundation; as, the base of a statue.
(n.) Fig.: The fundamental or essential part of a thing; the essential principle; a groundwork.
(n.) The lower part of a wall, pier, or column, when treated as a separate feature, usually in projection, or especially ornamented.
(n.) The lower part of a complete architectural design, as of a monument; also, the lower part of any elaborate piece of furniture or decoration.
(n.) That extremity of a leaf, fruit, etc., at which it is attached to its support.
(n.) The positive, or non-acid component of a salt; a substance which, combined with an acid, neutralizes the latter and forms a salt; -- applied also to the hydroxides of the positive elements or radicals, and to certain organic bodies resembling them in their property of forming salts with acids.
(n.) The chief ingredient in a compound.
(n.) A substance used as a mordant.
(n.) The exterior side of the polygon, or that imaginary line which connects the salient angles of two adjacent bastions.
(n.) The line or surface constituting that part of a figure on which it is supposed to stand.
(n.) The number from which a mathematical table is constructed; as, the base of a system of logarithms.
(n.) A low, or deep, sound. (Mus.) (a) The lowest part; the deepest male voice. (b) One who sings, or the instrument which plays, base.
(n.) A place or tract of country, protected by fortifications, or by natural advantages, from which the operations of an army proceed, forward movements are made, supplies are furnished, etc.
(n.) The smallest kind of cannon.
(n.) That part of an organ by which it is attached to another more central organ.
(n.) The basal plane of a crystal.
(n.) The ground mass of a rock, especially if not distinctly crystalline.
(n.) The lower part of the field. See Escutcheon.
(n.) The housing of a horse.
(n.) A kind of skirt ( often of velvet or brocade, but sometimes of mailed armor) which hung from the middle to about the knees, or lower.
(n.) The lower part of a robe or petticoat.
(n.) An apron.
(n.) The point or line from which a start is made; a starting place or a goal in various games.
(n.) A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles.
(n.) A rustic play; -- called also prisoner's base, prison base, or bars.
(n.) Any one of the four bounds which mark the circuit of the infield.
(n.) To put on a base or basis; to lay the foundation of; to found, as an argument or conclusion; -- used with on or upon.
(a.) To abase; to let, or cast, down; to lower.
(a.) To reduce the value of; to debase.
Example Sentences:
(1) The process of sequence rearrangement appears to be a significant part of the evolution of the genome and may have a much greater effect on the evolution of the phenotype than sequence alteration by base substitution.
(2) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
(3) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
(4) The omission of Crossrail 2 from the Conservative manifesto , in which other infrastructure projects were listed, was the clearest sign yet that there is little appetite in a Theresa May government for another London-based scheme.
(5) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
(6) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
(7) In the fall of 1975, 1,915 children in grades K through eight began a school-based program of supervised weekly rinsing with 0.2 percent aqueous solution of sodium fluoride in an unfluoridated community in the Finger Lakes area of upstate New York.
(8) Basing the prediction of student performance in medical school on intellective-cognitive abilities alone has proved to be more pertinent to academic achievement than to clinical practice.
(9) Induction of labor, based upon only (1) a finding of meconium in the amniocentesis group or (2) a positive test in the OCT group, was nearly three times more frequent in the amniocentesis group.
(10) Therefore, we have developed a powerful new microcomputer-based system which permits detailed investigations and evaluation of 3-D and 4-D (dynamic 3-D) biomedical images.
(11) The distance between the end of fic and the start of pabA was 31 base pairs.
(12) Based on several previous studies, which demonstrated that sorbitol accumulation in human red blood cells (RBCs) was a function of ambient glucose concentrations, either in vitro or in vivo, our investigations were conducted to determine if RBC sorbitol accumulation would correlate with sorbitol accumulation in lens and nerve tissue of diabetic rats; the effect of sorbinil in reducing sorbitol levels in lens and nerve tissue of diabetic rats would be reflected by changes in RBC sorbitol; and sorbinil would reduce RBC sorbitol in diabetic man.
(13) The method is based on two-dimensional scanning photon absorptiometry on the distal part of the forearm.
(14) At the fepB operator, a 31 base-pair Fur-protected region was identified, corresponding to positions -19 to +12 with respect to the transcriptional start site.
(15) Facebook Twitter Pinterest With a plot based around fake (or real?)
(16) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
(17) Based on these results, we concluded that the inhibition of putrefactive anaerobe 3679 by sorbate resulted from a stringent-type regulatory response induced by the protonophoric activity of sorbic acid.
(18) Thus, mechanical restitution of the ventricle is a dynamic process that can be assessed using an elastance-based approach in the in situ heart.
(19) Mapping of the cross-link position between U2 and U6 RNAs is consistent with base-pairing between the 5' domain of U2 and the 3' end of U6 RNA.
(20) Descriptive features of the syndrome in children, adults and adolescents are given based on the respective work of Pine, Masterson and Kernberg.