(n.) A carpentry obstruction, stockade, or other obstacle made in a passage in order to stop an enemy.
(n.) A fortress or fortified town, on the frontier of a country, commanding an avenue of approach.
(n.) A fence or railing to mark the limits of a place, or to keep back a crowd.
(n.) An any obstruction; anything which hinders approach or attack.
(n.) Any limit or boundary; a line of separation.
Example Sentences:
(1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
(2) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(3) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
(4) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
(5) Comparison of the 50% binding concentrations of the compounds for the various PBPs of the five strains with their antibacterial activity indicates that the different antibiotics are excluded to a greater or lesser degree by the outer membrane permeability barrier and that the exclusion is most pronounced in P. aeruginosa.
(6) Preservation of dopaminergic and H1 neurotransmission, probably within the blood barrier, is needed to allow the neuroendocrine transduction of cholinergic inputs, whereas the role of 5-HT neurotransmission remains uncertain.
(7) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.
(8) The IgG index (formula: see text) corrects for the influence of serum protein abnormalities as well as a bloodbrain barrier damage and is, therefore, a better measure for the presence of an IgG elevation in CSF due to IgG synthesis, when compared with other IgG quotients commonly used.
(9) In the far east is the arid, depressed country leading down Hell’s Canyon, which bottoms out at the Snake River, which the wolves crossed when they moved from Idaho, and which they now treat more as a crosswalk than a barrier.
(10) No signs of the blood-brain barrier disruption were observed.
(11) Although no anatomical 'barrier' has been described, it has been suggested that the gel mucus and epithelial phospholipids are constituents.
(12) Despite their wide dispersion, Vmax and the stereological determinations correlated strongly at 2 mo of age, confirming that Vmax is a robust indicator of the surface area of the air-blood barrier.
(13) Developmental changes are delineated, with particular reference to recent work on the ovine blood-brain barrier.
(14) Features of barrier island physiography and ecology were studied relative to selective bait deployment and site biosecurity.
(15) This study sought to determine if and why barriers to the over-the-counter purchase of syringes in the St. Louis metropolitan area might exist, given that no ordinance prohibits such a sale there.
(16) It is suggested that the intercalated disc functioned as a barrier to the freezing process.
(17) To explain some of these results a theoretical model is presented to demonstrate that while short circuiting can block the passive ionic movement, it will cause an increase in the energy consumption of the system and introduce certain important changes in the ionic barriers and e.m.fs.
(18) Our results show that paramagnetic enhancement with T1-weighted imaging adds specificity and enables rapid assessment of abnormalities of the blood-brain barrier.
(19) 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.
(20) There was a significant correlation between the lesion index and the PD reduction, although the integrity of the resting gastric mucosal barrier remained unaltered.
Blight
Definition:
(v. t.) To affect with blight; to blast; to prevent the growth and fertility of.
(v. t.) Hence: To destroy the happiness of; to ruin; to mar essentially; to frustrate; as, to blight one's prospects.
(v. i.) To be affected by blight; to blast; as, this vine never blights.
(n.) Mildew; decay; anything nipping or blasting; -- applied as a general name to various injuries or diseases of plants, causing the whole or a part to wither, whether occasioned by insects, fungi, or atmospheric influences.
(n.) The act of blighting, or the state of being blighted; a withering or mildewing, or a stoppage of growth in the whole or a part of a plant, etc.
(n.) That which frustrates one's plans or withers one's hopes; that which impairs or destroys.
(n.) A downy species of aphis, or plant louse, destructive to fruit trees, infesting both the roots and branches; -- also applied to several other injurious insects.
(n.) A rashlike eruption on the human skin.
Example Sentences:
(1) Blight responded with a hypothetical, telling Ludlam if the ASD asked a foreign agency to get material about Australian citizens it could not access under Australian law, the IGIS would know about it and flag it in its annual report.
(2) The environment secretary, Liz Truss , has stripped farmers of subsidies for solar farms, saying they are a “blight” that was pushing food production overseas.
(3) Indeed, while people might be annoyed or alarmed at the idea of being given placebos, medics probably wouldn't need to were it not for the modern blight of the Worried Well clogging up consulting rooms.
(4) Isolates of Helminthosporium maydis from blighted corn were tested for toxicity in mice, rats, swine, rabbits, microorganisms, and tissue culture.
(5) "For families across the UK who are income-poor, but more than that, whose lives are blighted by worklessness, educational failure, family breakdown, problem debt and poor health, as well as other problems, giving them an extra pound – say through increased benefits – will not address the reason they find themselves in difficulty in the first place."
(6) The England international, who has made 18 appearances in a season blighted by a number of fitness problems, has flown to the US to see Dr Peter Asnis, an orthopaedic surgeon connected to Fenway Sports Group’s other major acquisition, the Boston Red Sox, in an attempt to solve his hip injury.
(7) The disadvantaging of modern languages candidates in school examinations has been blighting the subject at all levels, and will continue to do so until the unfair grading is addressed effectively.
(8) But the bumper year was somewhat blighted in the UK as Google was one of a number of multinational companies, including Amazon and Starbucks, that came under fire from MPs over their tax arrangements .
(9) In both cases, her coaching seems to have paid off, at least for a time: those GOP lawmakers walked into decidedly fewer self-sabotaging boobytraps in the election cycle following the 2013 retreat at which she spoke, and Pence’s strong performance at the RNC last month was a bright spot in an otherwise blighted convention.
(10) 8, a super Chinese rice cultivar with high productivity, good quality and high resistance to both bacterial blight and blast.
(11) Puts another swath of west London directly under a flight path, and blights thousands more.
(12) A viral double-stranded (ds)RNA associated with reduced virulence (hypovirulence) and the accompanying biological control of the chestnut blight fungus, Cryphonectria parasitica, was shown recently to contain two contiguous coding domains designated ORF A and ORF B.
(13) We evaluated the differences between this group and those patients presenting either with a blighted ovum or beyond the first trimester, as well as the outcome of those patients with spotting early in gestation.
(14) And although in a few cases Pathfinder entailed the demolition of housing in genuinely blighted areas, and though there's no doubt that northern cities were depopulated from their mid-20th century heights, market correction was always the rationale.
(15) Facebook Twitter Pinterest Part of an outer structure of a blighted home stands along Alter Road in Detroit.
(16) According to them the diagnosis of blighted ovum and missed abortion seems to be confirmed when an "empty sac" is larger than 20 mm, or the absence of heart motion is detected in an embrio greater than 10 mm, without repeated scan.
(17) It soon emerged that the City Planning Commission had already, surreptitiously, designated the area as blighted.
(18) We have synthesized and mapped a cDNA library representing the one major dsRNA element associated with hypovirulence in strain NB58 of the chestnut blight fungus, Cryphonectira (=Endothia) parasitica, which was isolated from recovering chestnut trees in New Jersey, U.S.A.
(19) This article reports the initiation of a joint hospital-school district child protection committee in an urban setting of socio-economic blight.
(20) The rail network remains blighted by the unnecessary complexities of the framework established under the privatisation he rightly criticises.