(a.) Hurtful; noxious; destructive; pernicious; as, a deleterious plant or quality; a deleterious example.
Example Sentences:
(1) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
(2) A functional impairment of the amino acid transport systems at the level of the blood-brain barrier seems to play a crucial role in causing deleterious modifications of the synaptic neurotransmission in the central nervous system.
(3) Ecological risk assessments are used by the US Environmental Protection Agency (US EPA) and other governmental agencies to assist in determining the probability and magnitude of deleterious effects of hazardous chemicals on plants and animals.
(4) The average IEMG of the muscles in the relaxation phase of contraction remained unaltered by fatigue, while a marked deleterious change in the relaxation-time variables (p less than 0.001) occurred concomitantly.
(5) The results demonstrate that the addition of pulsatile flow to coronary perfusion minimized the deleterious effects of prolonged ventricular fibrillation on myocardial performance.
(6) He concludes that steroid contraceptives always have a deleterious effect on glucose tolerance, although not usually to the point of causing diabetes.
(7) While measles virus caused extensive damage to nervous tissue, the SSPE strains, in general, exerted a less deleterious effect.
(8) It is concluded that intestinal bypass in rats has a more deleterious effect than resection, and this seems to be more pronounced when the excluded segment is anastomosed to the colon.
(9) The homdr mutation is unstable and probably deleterious to the cell.
(10) The biological effects mediate by cachectin may be beneficial or deleterious to the body, depending on the quantity produced, duration of cell exposure and further biochemical mediators in the environment of the target cells.
(11) Although many studies report deleterious effects of inbreeding on prereproductive mortality (death before age 20 years), such effects are usually measured in terms of genetic load, a concept much debated in the literature.
(12) Moreover, the mechanical denudation technique did not deleteriously affect smooth muscle because vasoconstrictor and vasodilator responses to nonendothelial-dependent drugs were the same before and after denudation.
(13) University of Wisconsin solution can extend hypothermic cardiac preservation and has no deleterious effects on long-term myocardial function (up to 45 days).
(14) Phospholipase A2, which is known to be activated in ischemia, destroys the microstructure of myocardial cells, seems deleterious to oxygen transport to cytochrome a,a3.
(15) A more objective consideration relates to the observed late, progressive deleterious influences of hyperfiltration imposed upon the reduced population of surviving nephrons (3); would this process been exaggerated by improved perfusion?
(16) Sex hormone deficiency, as well as chronic illness, malnutrition, and childhood immobilization, has deleterious effects on growth and modeling, ultimately reducing peak bone mass and setting the stage for osteoporosis in later life.
(17) Myocardial transformation, along with its energy economizing effect, failed to compensate for unfavorable energetic consequences of structural dilatation and therefore the reduced ventricular efficiency is assumed to be another deleterious factor in the dilated failing heart.
(18) We conclude that storage at 22 degrees C had deleterious effects on the GP Ib content of platelets.
(19) All of these alleles have apparently resulted from gene conversion events that have transferred deleterious mutations from the CYP21A pseudogene to CYP21B.
(20) Within science, there are forces that weaken genuine scientific discussion, and these need at least to be explicated so that their deleterious effects can be minimized.
Destructive
Definition:
(a.) Causing destruction; tending to bring about ruin, death, or devastation; ruinous; fatal; productive of serious evil; mischievous; pernicious; -- often with of or to; as, intemperance is destructive of health; evil examples are destructive to the morals of youth.
(n.) One who destroys; a radical reformer; a destructionist.
Example Sentences:
(1) But soon after aid workers departed, barrel bombs dropped by Syrian helicopters caused renewed destruction.
(2) High mortality, severe destruction of pancreatic B-cells and presence of sporadic mononuclear infiltrations in islets and around excretory ducts were observed.
(3) Lung metastases leading to death were observed in one patient with small-cell osteosarcoma despite complete destruction of the primary tumor by preoperative chemotherapy.
(4) Since alkaline phosphatase, a glycoprotein, is not affected, the destruction is selective and presumably involves only the most exposed membrane components.
(5) Intravenous urography revealed destruction of the right kidney resembling Wilms tumor.
(6) Lawmakers across the globe are beginning to recognize the need to deter this destructive conduct.
(7) Finally, the uptake was completely abolished by prior mechanical or osmotic destruction of the intima.
(8) The weapon is 13 metres long, weighs 60 tonnes and can carry nuclear warheads with up to eight times the destructive capacity of the bombs that hit Hiroshima and Nagasaki in the second world war.
(9) While a clearcut relationship cannot be established between heavy metal music and destructive behavior, evidence shows that such music promotes and supports patterns of drug abuse, promiscuous sexual activity, and violence.
(10) Quite the contrary, in cases of higher nervous activity disturbances, destruction of the organelles and desintegration of spine apparatuses is clearly pronounced.
(11) Granule cell destruction began early, and was widespread by 2 days in vitro, when oligodendrocyte destruction also began in treated cultures.
(12) The ferrochelatase-inhibitory activity, porphyrin-inducing activity, and cytochrome P-450- and heme-destructive effects of a variety of analogues of 3,5-diethoxycarbonyl-1,4-dihydro-2,4,6-trimethylpyridine (DDC) were studied in chick embryo liver cells.
(13) A simple technique that consists of curetting the subcutaneous tissue in the necrotic area of the lesion, to prevent the local destructive actions of the toxin, is described.
(14) The high proteolytic activity of BCC demonstrated in this study may be an important factor in the proliferative, invasive and destructive behaviour of this tumour.
(15) North Korea has produced tons of propaganda films that portray America’s destruction.
(16) The object of these studies was to investigate whether destruction of the renal medulla in normal rats would alter vascular capacitance.
(17) We simply do whatever nature needs and will work with anyone that wants to help wildlife.” His views might come as a surprise to some of the RSPB’s 1.1 million members, who would have been persuaded by its original pledge “to discourage the wanton destruction of birds”; they would equally have been a surprise to the RSPB’s detractors in the shooting world.
(18) The tissue destructive process is slower in older than in younger people, and the prognoses in correctly treated cases is good.
(19) Although these two destructive entities are completely different in many respects, they share a common denominator: the initial lesions are brought about by an aggregate of bacteria known as plaque.
(20) It is concluded that the massive destruction of the normal anatomy in the lateral semicircular canal may be the morphological basis of a functional endolymphatic fistula for drainage of the endolymphatic hydrops.