(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.
Chicane
Definition:
(n.) The use of artful subterfuge, designed to draw away attention from the merits of a case or question; -- specifically applied to legal proceedings; trickery; chicanery; caviling; sophistry.
(n.) To use shifts, cavils, or artifices.
Example Sentences:
(1) #FeelTheForce #TheHulk May 25, 2014 1.54pm BST Lap 34: Raikkonen is desperate to make up ground and come back through the field but in doing so makes a mistake at the Nouvelle Chicane and cuts the corner.
(2) Show me someone who likes their meat overcooked and I will show you a picky eater, someone who regards meal times as a set of challenges and insults to be negotiated, like oil-slicked chicanes on a race track.
(3) 2.02pm BST Lap 40 : Grosjean this time does take Kobayashi, at the Nouvelle Chicane.
(4) The umbilical connection between the US marines at Camp Leatherneck and the new model Afghan army in Camp Shorabak is a sandy chicane known as Friendship Gate, where Helmand's Afghan garrison draws sustenance from its departing foreign advisers.
(5) I was approaching a chicane, within 20m, travelling at 12-15mph; with the signage indicating that I had priority.
(6) Lewis Hamilton’s third Formula One world championship did not have the plot twists, the nuances of narrative and head-rattling chicanes that marked his previous two successes in 2008 and last year.
(7) 2.36pm BST Lap 65: Fastest lap of the race from Ricciardo who is throwing his Red Bull through corners, the back swinging in and out as he navigates a chicane, and he's closing on Hamilton who is now 4 secs back from Rosberg.
(8) Always doubtful about the conventional armoury of signs, speed bumps and chicanes, he began to explore the potential for influencing driver behaviour through stripping out highway paraphernalia, using instead simple design measures that emphasised the distinctiveness of each and every place.
(9) The unmetalled roads quickly become genuine offroad challenges, and while the views from the Delfi and other high points are stunning, the road chicanes along the edge of cliffs and there are no barriers except for the pine trees, and no road signs.
(10) It is urgent that all sides show restraint and take all possible steps to avoid further escalation. Updated at 9.08pm GMT 9.02pm GMT Ukraine continues to strengthen defenses along its eastern border , Reuters reports, but “there is no sign of a major troop buildup.” Border defences have been strengthened by an anti-tank chicane of house-high concrete blocks, placed across the highway that links the Russian city of Rostov-on-Don and runs round the coast toward Crimea, 200 miles west.
(11) Valtteri Bottas gains three places via cutting the chicane.