(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.
Fear
Definition:
(n.) A variant of Fere, a mate, a companion.
(n.) A painful emotion or passion excited by the expectation of evil, or the apprehension of impending danger; apprehension; anxiety; solicitude; alarm; dread.
(n.) Apprehension of incurring, or solicitude to avoid, God's wrath; the trembling and awful reverence felt toward the Supreme Belng.
(n.) Respectful reverence for men of authority or worth.
(n.) That which causes, or which is the object of, apprehension or alarm; source or occasion of terror; danger; dreadfulness.
(n.) To feel a painful apprehension of; to be afraid of; to consider or expect with emotion of alarm or solicitude.
(n.) To have a reverential awe of; to solicitous to avoid the displeasure of.
(n.) To be anxious or solicitous for.
(n.) To suspect; to doubt.
(n.) To affright; to terrify; to drive away or prevent approach of by fear.
(v. i.) To be in apprehension of evil; to be afraid; to feel anxiety on account of some expected evil.
Example Sentences:
(1) Mike Ashley told Lee Charnley that maybe he could talk with me last week but I said: ‘Listen, we cannot say too much so I think it’s better if we wait.’ The message Mike Ashley is sending is quite positive, but it was better to talk after we play Tottenham.” Benítez will ask Ashley for written assurances over his transfer budget, control of transfers and other spheres of club autonomy, but can also reassure the owner that the prospect of managing in the second tier holds few fears for him.
(2) Since the start of this week, markets have been more cautious, with bond yields in Spain reaching their highest levels in four months on Tuesday amid concern about the scale of the austerity measures being imposed by the government and fears that the country might need a bailout.
(3) S&P – the only one of the three major agencies not to have stripped the UK of its coveted AAA status – said it had been surprised at the pick-up in activity during 2013 – a year that began with fears of a triple-dip recession.
(4) On Friday, a spokesperson for China’s foreign ministry appeared to confirm those fears, telling reporters that the joint declaration, a deal negotiated by London and Beijing guaranteeing Hong Kong’s way of life for 50 years, “was a historical document that no longer had any practical significance”.
(5) I fear that I will have to go through another witch-hunt in order to apply for this benefit."
(6) And adding to this toxic mix, was the fear that the hung parliament would lead to a weak government.
(7) Ex-patients of a dental fear clinic were found to have significantly reduced, yet still high, dental anxiety scores in comparison with the pre-intervention scores.
(8) The hypothesis that the standard acoustic startle habituation paradigm contains the elements of Pavlovian fear conditioning was tested.
(9) Wharton feared that if his bill had not cleared the Commons on this occasion, it would have failed as there are only three sitting Fridays in the Commons next year when the legislation could be heard again should peers in the House of Lords successfully pass amendments.
(10) In a recent study, Orr and Lanzetta (1984) showed that the excitatory properties of fear facial expressions previously described (Lanzetta & Orr, 1981; Orr & Lanzetta, 1980) do not depend on associative mechanisms; even in the absence of reinforcement, fear faces intensify the emotional reaction to a previously conditioned stimulus and disrupt extinction of an acquired fear response.
(11) But that promise was beginning to startle the markets, which admire Monti’s appetite for austerity and fear the free spending and anti-European views of some Italian politicians.
(12) First, Dr Collins is fear-mongering when he says that ‘lives will be lost’ as a result of our calculations.
(13) Whether out of fear, indifference or a sense of impotence, the general population has learned to turn away, like commuters speeding by on the freeways to the suburbs, unseeingly passing over the squalor.
(14) Under pressure from many backbenchers, he has tightened planning controls on windfarms and pledged to "roll back" green subsidies on bills, leading to fears of dwindling support for the renewables industry.
(15) The countries have accused each other of cross-border attacks and there are fears the current tension could spark a wider war with Nkunda at its centre.
(16) They have not remotely done this so far, largely from fear of domestic political consequences that cannot be simply dismissed.
(17) Likud warned: “Peres will divide Jerusalem.” Arab states feared that his dream of a borderless Middle East spelled Israeli economic colonialism by stealth.
(18) One of the reasons for doing this study is to give a voice to women trapped in this epidemic,” said Dr Catherine Aiken, academic clinical lecturer in the department of obstetrics and gynaecology of the University of Cambridge, “and to bring to light that with all the virology, the vaccination and containment strategy and all the great things that people are doing, there is no voice for those women on the ground.” In a supplement to the study, the researchers have published some of the emails to Women on Web which reveal their fears.
(19) Some have been threatened and assaulted, while others’ homes have been ransacked, their families living in constant fear.
(20) The population prevalence of high dental fear was 115 fearful children per 1000 population (SE = 0.02).