(1) On the one hand was the condition found in many parts of the world of bovine enzootic haematuria with uncertain aetiology and, on the other, the investigations conducted on the acute radiomimetic cattle bracken poisoning under laboratory conditions.
(2) Mammary cancer was also induced in Sprague-Dawley rats fed a bracken diet.
(3) Inbred strain ACI rats of both sexes were divided into 4 groups; Group 1 received a diet containing the unprocessed bracken dried at a room temperature of below 30 degrees, Group 2 received a diet containing bracken dried at 70 approximately 90 degrees with a hot, forced draft, and Group 3 received the diet containing processed bracken that had been minced to a paste-like consistency using a mechanical chopper.
(4) Two glucosides to enhance histamine release from rat peritoneal mast cells were isolated from rhizomes of bracken fern (Pteridium aquilinum (L.) Kuhn) by column chromatography on Sephadex LH-20 and droplet counter-current chromatography, and named braxin A1 and A2.
(5) Powdered bracken fern mixed with a basic commercial diet (1:4 by weight) was fed to a group of 40 ICR strain mice for 20 weeks after the implantation of a glass bead into the bladder.
(6) Ten of the 13 species that depend on specific habitats - heathland, coppices, woodland glades, bracken, hedgerows and so on - have fared better on sites where farmers had agreed to tend the landscape with wildlife in mind.
(7) Thirteen cows maintained on natural bracken fern (Pteridium aquilinum) were analyzed cytogenetically.
(8) In animals experimentally immunosuppressed with azathioprine "bracken type" hemangiomas developed in the bladder lining.
(9) It was proved that PT is the carcinogenic principle present in bracken fern, inducing mammary cancer and multiple ileal tumors in high incidences when given orally to female Sprague-Dawley rats.
(10) Here, Main, Sidney Bracken, 65, Paul Radley, 52, and David Robinson, 63, are cooking an outdoor breakfast, after hanging a huge banner around the ramparts of the fort.
(11) The possible carcinogenicity of bracken fern (Pteridium aquilinum, common name: "Broto de Samambaia") which is used as food by the population of Ouro Preto (Minas Gerais, Brazil) and neighboring areas, was studied in rats.
(12) The present study compared results obtained for 62 normally developing preschool children on the Bracken Basic Concept Scale, the Preschool Language Scale, and the Slossen Intelligence Test to determine whether scores on the tests correlated and were equivalent.
(13) The route leads past Bleamoss Beck, then winds its way through the bracken landscape before crossing a grassy hollow to the foot of Wrynose Pass.
(14) Bracken-grazing animals are also heavily immunosuppressed.
(15) Dose dependent toxicity was observed in bracken fern (p less than 0.001).
(16) The carcinogenicity of bracken fern, Pteridium aquilinum, was demonstrated most clearly by the experiment of Evans and Mason in 1965.
(17) Histologic examination of the urinary bladders of albino rats fed bracken fern (Pteris aqulinum) showed epithelial hyperplasia in all test animals after 3 weeks of feeding and nuclear abnormalities at 4 to 6 weeks.
(18) Evidence is presented to shown that this is associated with the presence of bracken fern on high incidence farms and that many of the carcinomas arise in pre-existing virus-induced papillomas.
(19) The two have led to the recognition of the long term cancer dangers of bracken consumption and the vulnerability of a wide variety of species of animals.
(20) The moors, covered with bracken turning a rusty brown, stretched as far as the eye could see.
Brake
Definition:
() imp. of Break.
(n.) A fern of the genus Pteris, esp. the P. aquilina, common in almost all countries. It has solitary stems dividing into three principal branches. Less properly: Any fern.
(n.) A thicket; a place overgrown with shrubs and brambles, with undergrowth and ferns, or with canes.
(v. t.) An instrument or machine to break or bruise the woody part of flax or hemp so that it may be separated from the fiber.
(v. t.) An extended handle by means of which a number of men can unite in working a pump, as in a fire engine.
(v. t.) A baker's kneading though.
(v. t.) A sharp bit or snaffle.
(v. t.) A frame for confining a refractory horse while the smith is shoeing him; also, an inclosure to restrain cattle, horses, etc.
(v. t.) That part of a carriage, as of a movable battery, or engine, which enables it to turn.
(v. t.) An ancient engine of war analogous to the crossbow and ballista.
(v. t.) A large, heavy harrow for breaking clods after plowing; a drag.
(v. t.) A piece of mechanism for retarding or stopping motion by friction, as of a carriage or railway car, by the pressure of rubbers against the wheels, or of clogs or ratchets against the track or roadway, or of a pivoted lever against a wheel or drum in a machine.
(v. t.) An apparatus for testing the power of a steam engine, or other motor, by weighing the amount of friction that the motor will overcome; a friction brake.
(v. t.) A cart or carriage without a body, used in breaking in horses.
(v. t.) An ancient instrument of torture.
() of Break
Example Sentences:
(1) But, in a sign of tension within the coalition government, the Liberal Democrats home affairs spokesman, Tom Brake, told BBC2's Newsnight that "if [the offenders in question] had committed the same offence the day before the riots, they would not have received a sentence of that nature".
(2) He said: "Advanced economies are still confronted with high levels of public and private debt, which act as brakes on the recovery.
(3) With skills and labour shortages set to continue, there’s a risk that many vacancies will be left unfilled which could act as a brake on output growth in the UK in the years ahead.” The most recent labour market data from the Office for National Statistics (ONS) showed that while EU nationals were still arriving in the UK, they were doing so in smaller numbers than in the past.
(4) Koehler confirmed German media reports that the truck had apparently been slowed by an automatic braking system, bringing it to a standstill after 70 to 80 metres (230-260ft) and preventing worse carnage.
(5) Motor-perceptual performance was measured in terms of reaction times taken by subjects to carry out steering, braking and operation of traffic indicators in the simulator.
(6) The technology is also there for green-laning, says Everett – intelligent traffic lights that recognise where traffic is coming from, allowing cars to flow more freely and cutting down on unnecessary braking and restarting, which wastes energy.
(7) Trade-offs among competing selective demands exert the only brake upon perfection; non-optimality is thereby rendered as a result of adaptation as well.
(8) Decc now proposes to include an "emergency brake" mechanism which would close the RHI scheme down as payments approached pre-set levels.
(9) Simulated braking responses have been tested in relation to blood carboxyhemoglobin (HbCO) levels.
(10) The results during wakefulness indicate that the TA contributes to an active adduction of the vocal cords in expiration and suggest the presence of an active laryngeal braking mechanism during exhalation.
(11) The chancellor stressed that Britain’s relationship with the EU would remain unchanged for the time being – and ditched the idea, launched alongside his predecessor Alistair Darling during the campaign – that an emergency budget would be necessary within weeks, as Brexit slams the brakes on the economy.
(12) My assembly report, Braking Point , showed the big advantages of making 20mph the default speed limit for urban areas and, as the previous mayor's road safety ambassador, I pressed for the adoption of the zero-casualty approach applied in Scandinavian countries.
(13) The eastern European nations balked at the “emergency brake” on benefits to EU migrants.
(14) The perturbation consisted of a braking of the treadmill at different phases in the step cycle.
(15) An automatic control system has been integrated in an electronically braked bicycle ergometer, and a pedal unit from Rodby Electronic bicycle ergometer RE 820 has been coupled to a modified test wheelchair.
(16) Here are 10 things that could put the brakes on your mortgage hopes, and how to try and fix them.
(17) Scientists say the drug works by taking the brakes off the immune system.
(18) Less than two months after his arrival at Tesco, Lewis has already put the brakes on three stores as he examines “all aspects of the group in order to improve its competitive position and deliver attractive, sustainable returns for shareholders”.
(19) While the case would bring publicity to the issue of the rights or interests of "non-human persons", something for which some people have been arguing for a long time, if the case fails and there is then case law history against recognising those rights, that would not be helpful for the cause, Brakes warned.
(20) Exercise testing was performed with an electrically braked bicycle ergometer in the supine position, and the load was increased by 25 or 50 watts every two minutes until fatigue, severe angina, more than 0.3 mV ST-segment depression, or 80% of the age predicted maximum heart rate was achieved.