(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.
Poisonous
Definition:
(a.) Having the qualities or effects of poison; venomous; baneful; corrupting; noxious.
Example Sentences:
(1) Resistance to antibiotics have been detected in food poisoning bacteria, namely Salmonella typhimurium, Staphylococcus aureus and Clostridium perfringens.
(2) It can induce acute cholinesterase poisoning, which is rapidly reversible on discontinuation of exposure.
(3) There is a disparity between the number of reported cases of poisoning and the number of chemical analyses performed for the identification and quantitative determination of a particular poison.
(4) A case is presented of deliberate chewing of the flowers of henbane (Hyoscyamus niger) in the hope of producing euphoria, and an account is given of the poisoning so produced.
(5) "Our black, Muslim and Jewish citizens will sleep much less easily now the BBC has legitimised the BNP by treating its racist poison as the views of just another mainstream political party when it is so uniquely evil and dangerous."
(6) Extrapyramidal syndromes after ischemic anoxia are rare, when compared to their relative frequency after carbon monoxide poisoning.
(7) Concern about the safety of the patient and dental personnel does exist, however, due to the possibilities of mercury poisoning.
(8) Excess levels of selenium (2.5 and 5 ppm) in the vitamin E-deficient diet had little or no effect on spleen size or hematocrit of rats not receiving lead, but partially prevented the splenomegaly and anemia of red cells from either non-poisoned or lead-oisoned vitamin E-deficient rats, but not as effectively as vitamin E. These results show that vitamin E status of rats is more important that selenium status in determining response to toxic levels of lead.
(9) Toxicity has been reported in the fetus of a woman ingesting a huge overdose of digitoxin; the same result would be anticipated with digoxin poisoning.
(10) Three esterase inhibitors, phenylmethylsulfonyl fluoride, bis-(p-nitrophenyl)-phosphate, and diisopropylfluorophosphate, had no effect on the antidote effectiveness of N-acetylcysteine, although each provided partial protection against acetaminophen poisoning.
(11) The deaths were due to: hanging (41 cases), poisoning (17 cases), leaping from a height (7 cases), and others (11 cases including one case of self shooting).
(12) In vivo the administration of captopril prevented the toxic effects of mercury poisoning on membrane permeability, oxidative phosphorylation and Ca++ homeostasis.
(13) Large doses of dsFab are efficacious in the treatment of dysrhythmias in this canine model of N oleander cardiac glycoside poisoning.
(14) A recent report indicated that an arrow poison used by the native Indians of Rondonia, Brazil, to kill small animals was associated with profuse bleeding.
(15) When Hayley Cropper swallows poison on Coronation Street on Monday night, taking her own life to escape inoperable pancreatic cancer, with her beloved husband, Roy, in pieces at her bedside, it will be the end of a character who, thanks to Hesmondhalgh's performance, has captivated and challenged British TV viewers for 16 years.
(16) Zelaya's food comes separately and is prepared by his daughter because he fears being poisoned.
(17) Characteristics of the poisoning include a delay between exposure and onset of symptoms; early systemic toxicity with congestive changes in the lungs and oliguric renal failure; prominent cerebellar and Parkinsonian neurologic symptoms as well as seizures and coma in severe cases; and psychiatric disturbances that can last from months to years.
(18) A method of poisoning cats with thallium is described.
(19) They were given individually to guinea pigs prior to poisoning with 2 x LD50 soman to test their efficacy against organophosphorus-induced convulsions, brain damage, and lethality.
(20) This incident prompted the poison center to evaluate our emergency response capabilities.