(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.
Superficial
Definition:
(a.) Of or pertaining to the superficies, or surface; lying on the surface; shallow; not deep; as, a superficial color; a superficial covering; superficial measure or contents; superficial tillage.
(a.) Reaching or comprehending only what is obvious or apparent; not deep or profound; shallow; -- said especially in respect to study, learning, and the like; as, a superficial scholar; superficial knowledge.
Example Sentences:
(1) A simple method of selective catheterization of the superficial femoral artery (SFA) following antegrade puncture of the common femoral artery is described.
(2) Are you ready to vote?” is the battle cry, and even the most superficial of glances at the statistics tells why.
(3) These data suggest that basophilic cell function in the superficial mucous layer in the nose is of greater significance in the development of nasal symptoms in response to nasal allergy than either mucociliary activity or nasal mucosal hypersensitivity to histamine.
(4) After haemorrhage in conscious rabbits total renal blood flow fell by 25%, this fall being confined to the superficial renal cortex.
(5) This was followed firstly by superficial and then by deep ulceration of the mucosa.
(6) The soleus, deep portions of the vastus lateralis, and superficial portions of the vastus lateralis muscles were examined to represent slow-twitch-oxidative, fast-twitch-oxidative-glycolytic, and fast-twitch-glycolytic skeletal muscle fiber types, respectively.
(7) The normal anatomical position of the point of junction of the superficial cerebral veins with the superior sagittal and transverse sinuses of the rat was studied with an analytical mathematical method.
(8) Tinea versicolor was the commonest superficial dermatomycosis affecting nearly half of all adults seen.
(9) It is concluded that catechol potentiates excitatory transmission at the LOT-superficial pyramidal cell synapse, possibly by increasing evoked transmitter release.
(10) This study presents data supporting a selective antinociceptive role for DA at the spinal level, where it has a widespread antinociceptive influence, on cells in both the superficial and deeper dorsal horn.
(11) In fact the deep femoral artery represents an exceptional and privileged route for anastomosis that is capable of replacing almost perfectly an obstructed superficial femoral artery and also in a more limited way femoro-popliteal arteries with extensive obstructions.
(12) Superficial x-ray therapy is an excellent modality for the treatment of squamous cell carcinomas of the lower extremity in the elderly.
(13) This suggests a possible depressant effect of both GABA and taurine at superficial cortical layers.
(14) CD8 positive cells were detected randomly in all regions of the mucosa, whereas CD4 positive cells tended to be clustered in the superficial portion of the lamina propria.
(15) Comparing the tolerable side-effects with their favourable therapeutic results, BCG is considered to be suitable for the prevention of recurrences in treating superficial bladder tumours.
(16) This study concluded that inverted positioning for short periods significantly increased spinal length and reduced emg activity of the superficial lumbar area musculature of normal males.
(17) No common aetiological factor could be found, although four of these patients did have a mild or moderatley active superficial chronic gastritis.
(18) Disturbance of bone metabolism is observed in both the superficial (delta) and slow exchanges (Ve), which are also significantly decreased.
(19) The results showed that dogfish lenses developed superficial opacities due to near-UV exposure.
(20) The neighbouring neocortical areas receive afferents neither from the mediodorsal nucleus of the thalamus nor from the ventral mesencephalic tegmentum; their catecholamine innervation is mainly confined to the superficial layers and appears to be of noradrenergic nature.