(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.
Spit
Definition:
(n.) A long, slender, pointed rod, usually of iron, for holding meat while roasting.
(n.) A small point of land running into the sea, or a long, narrow shoal extending from the shore into the sea; as, a spit of sand.
(n.) The depth to which a spade goes in digging; a spade; a spadeful.
(n.) To thrust a spit through; to fix upon a spit; hence, to thrust through or impale; as, to spit a loin of veal.
(n.) To spade; to dig.
(v. i.) To attend to a spit; to use a spit.
(imp. & p. p.) of Spit
(n.) To eject from the mouth; to throw out, as saliva or other matter, from the mouth.
(n.) To eject; to throw out; to belch.
(n.) The secretion formed by the glands of the mouth; spitle; saliva; sputum.
(v. i.) To throw out saliva from the mouth.
(v. i.) To rain or snow slightly, or with sprinkles.
Example Sentences:
(1) I'm married to an Irish woman, and she remembers in the atmosphere stirred up in the 1970s people spitting on her.
(2) There was nothing accidental about Saffiyah Khan’s easy nonchalance, grinning through the spitting rage of Ian Crossland at the EDL rally in Birmingham city centre at the weekend; Ieshia Evans knew there was more power in calm when she approached the police in Baton Rouge last summer.
(3) Venom entered the eyes of 9 patients spat at by the spitting cobra, Naja nigricollis.
(4) For every “coterie” of Audens, Spenders and Isherwoods, there is a chorus of George Orwells, Roy Campbells and Dylan Thomases, spitting vitriol.
(5) Those who remember the Two Davids of the 1987 SDP-Liberal Alliance will recall the exquisite agony only too well, cruelly captured by the Spitting Image puppet of little Steel perched in big Owen's pocket.
(6) Raised in Manchester, Coogan began his comedy career in Ipswich in the 1980s, supplementing stand-up with voiceover work and impressions for Spitting Image, before moving to Radio 4 to work with Chris Morris and Armando Iannucci on On the Hour.
(7) Unlike my little brother, who used to store his peas in his cheeks like a hamster – he would then ask to be allowed to go to the loo where he would spit and flush – I always liked vegetables as a child (and yes, I know that, technically, avocado is a fruit; but its savoury qualities are such that I am going to count it, in this instance, as a vegetable).
(8) She might as well spit "Don't tell me I can't let my personal life affect my professional judgment" through a mouthful of Jaffa Cakes.
(9) In addition, SPIT does not require sophisticated equipment or expensive reagents.
(10) For starters, any Swiss finishing school would definitely have an issue with the volume and velocity of spit that gets produced on the pitch.
(11) Both aneurysm were successfully clipped but Mark remained hemiplegic with severe physical and behavioural problems, including incontinence, sexual disinhibition, aggression and uninhibited spitting.
(12) Trying to outspit a spitting cobra This was another mad challenge for my series Michaela's Wild Challenge!
(13) However, a considerable proportion of the respondents harbored incorrect beliefs regarding mosquito transmission and dangers to blood donors, and many showed uncertainty or incorrect knowledge regarding possible HIV transmission by biting, spitting, or use of public toilets.
(14) 2006 : Fifa vice-president Jack Warner welcomes questions from an investigative reporter asking about alleged corruption: "I would spit on you – but I will not dignify you with my spit ... go fuck yourself ... no foreigner, particularly a white foreigner, will come to my country and harass me."
(15) They would then spit on batons and rape us with them.
(16) Most of the restaurants in China to me smelled dirty, though what I was smelling was likely some unfamiliar ingredient, and I was allowing the things I'd seen earlier in the day – the spitting and snot blowing, etc – to fill in the blanks.
(17) But there was also a diversion into why, across the industrialised world, the numbers of diagnosed autistic people have increased, and two sentences that caused me to spit out my toast.
(18) There, with pleasing historical symmetry, it was placed within spitting distance of the statue of another famous French Jew, three times prime minister Leon Blum.
(19) The letter did not directly mention Muslims, and began instead by attacking people who drop litter or spit on buses.
(20) In June, the owner, Oliver Poiss, threw a huge summer solstice party with six wild boar roasting on spits and a $10,000 equipment giveaway.