(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.
Weak
Definition:
(v. i.) Wanting physical strength.
(v. i.) Deficient in strength of body; feeble; infirm; sickly; debilitated; enfeebled; exhausted.
(v. i.) Not able to sustain a great weight, pressure, or strain; as, a weak timber; a weak rope.
(v. i.) Not firmly united or adhesive; easily broken or separated into pieces; not compact; as, a weak ship.
(v. i.) Not stiff; pliant; frail; soft; as, the weak stalk of a plant.
(v. i.) Not able to resist external force or onset; easily subdued or overcome; as, a weak barrier; as, a weak fortress.
(v. i.) Lacking force of utterance or sound; not sonorous; low; small; feeble; faint.
(v. i.) Not thoroughly or abundantly impregnated with the usual or required ingredients, or with stimulating and nourishing substances; of less than the usual strength; as, weak tea, broth, or liquor; a weak decoction or solution; a weak dose of medicine.
(v. i.) Lacking ability for an appropriate function or office; as, weak eyes; a weak stomach; a weak magistrate; a weak regiment, or army.
(v. i.) Not possessing or manifesting intellectual, logical, moral, or political strength, vigor, etc.
(v. i.) Feeble of mind; wanting discernment; lacking vigor; spiritless; as, a weak king or magistrate.
(v. i.) Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
(v. i.) Not having full confidence or conviction; not decided or confirmed; vacillating; wavering.
(v. i.) Not able to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable; as, weak resolutions; weak virtue.
(v. i.) Wanting in power to influence or bind; as, weak ties; a weak sense of honor of duty.
(v. i.) Not having power to convince; not supported by force of reason or truth; unsustained; as, a weak argument or case.
(v. i.) Wanting in point or vigor of expression; as, a weak sentence; a weak style.
(v. i.) Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
(v. i.) Lacking in elements of political strength; not wielding or having authority or energy; deficient in the resources that are essential to a ruler or nation; as, a weak monarch; a weak government or state.
(v. i.) Tending towards lower prices; as, a weak market.
(v. i.) Pertaining to, or designating, a verb which forms its preterit (imperfect) and past participle by adding to the present the suffix -ed, -d, or the variant form -t; as in the verbs abash, abashed; abate, abated; deny, denied; feel, felt. See Strong, 19 (a).
(v. i.) Pertaining to, or designating, a noun in Anglo-Saxon, etc., the stem of which ends in -n. See Strong, 19 (b).
(a.) To make or become weak; to weaken.
Example Sentences:
(1) There was a weak relation between AER and both systolic and diastolic blood pressures.
(2) Muscle weakness and atrophy were most marked in the distal parts of the legs, especially in the gastrocnemius and soleus muscles, and then spread to the thighs and gluteal muscles.
(3) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
(4) The strengths and weaknesses of each technique are described in this article.
(5) In group V, five cases of Taenia saginata parasitosis were studied showing a weak positive reading.
(6) Although the longest period required for resolving weakness was three days, the MRI, the CT and the electroencephalogram revealed no significant abnormality.
(7) Her muscle weakness and hyperCKemia markedly improved by corticosteroid therapy, suggesting that the diagnosis was compatible with polymyositis (PM).
(8) It was concluded that Ta acts as a weak zeitgeber in laboratory rats and has greater effects on males compared to females.
(9) And adding to this toxic mix, was the fear that the hung parliament would lead to a weak government.
(10) Sensory loss, motor weakness, paraesthesia and a new pain were found as complications in 12, 7, 4 and 6 patients, respectively.
(11) Here's Dominic's full story: US unemployment rate drops to lowest level in six years as 288,000 jobs added Michael McKee (@mckonomy) BNP economists say jobless rate would have been 6.8% if not for drop in participation rate May 2, 2014 2.20pm BST ING's Rob Carnell is also struck by the "extraordinary weakness" of US wage growth .
(12) In general, enzyme activity was strongly reduced by heavy metal inorganic cations; less strongly by organometallic cations, some anions, and certain pesticides; and weakly inhibited by light metal cations and organometallic and organic compounds.
(13) The weakness was treated by intensive physical rehabilitation with complete and sustained recovery in all cases.
(14) It also showed weak inhibition of the solid type of Ehrlich carcinoma and prolonged the survival period of mice inoculated with L-1210 cells.
(15) Exposure to whole cigarette smoke from reference cigarettes results in the prompt (peak activity is 6 hrs), but fairly weak (similar to 2 fold), induction of murine pulmonary microsomal monooxygenase activity.
(16) Though the concept of phase, known also as focus, is a very helpful notion, its empirical foundation is yet very weak.
(17) DL 071 IT, a new potent non-selective beta-adrenergic blocking drug with intrinsic sympathomimetic activity and weak membrane stabilizing activity, was evaluated alone and in comparison with oxprenolol, in six volunteers, at rest and during an exercise test.
(18) A variety of weak acids at and below their pK(a) are potent inhibitors of transport in Penicillium chrysogenum.
(19) It added that the crisis had highlighted significant weaknesses in financial regulation, with further measures needed to strengthen supervision.
(20) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.