What's the difference between poisonous and veratrum?

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.

Veratrum


Definition:

  • (n.) A genus of coarse liliaceous herbs having very poisonous qualities.

Example Sentences:

  • (1) The Bezold-Jarisch reflex after intracoronary injection of Veratrum alkaloids is very similar to the vagal bradycardia elicited by stimulation of cardiac PG synthesis or injection of prostacyclin (PGI2).
  • (2) These symptoms suggested poisoning with a veratrum alkaloid.
  • (3) Groups of ewes were gavaged Veratrum californicum root-rhizome material over various 3 day periods during early gestation and their late-term fetuses examined.
  • (4) Aldehydes (veratrum aldehyde, cinnamic aldehyde, myrtenal, cuminaldehyde, 3-phenylpropionaldehyde, perillaldehyde and 9-anthraldehyde) were incubated with hepatic microsomes of mice in the presence of an NADPH-generating system under 18O2 (97 atom%).
  • (5) The present study was undertaken to determine the effects of intracoronary administration of the veratrum alkaloid veratridine on coronary blood flow and resistance in conscious, chronically instrumented intact and sinoaortic denervated dogs.
  • (6) It has been demonstrated that jervine, a steroidal alkaloid derived from plants of the genus Veratrum, exerts teratogenic effects in several animal species.
  • (7) Norepinephrine levels were not modified in any brain region at any time after the administration of the veratrum alkaloid.
  • (8) The decreases in arterial pressure and renal nerve activity resulting from chemical stimulation of left ventricular sensory receptors with vagal afferents with cryptenamine (veratrum alkaloid) were assessed in three dogs 8 to 12 years and in four dogs 6 to 8 weeks after cardiac autotransplantation and in six sham-operated dogs (thoracotomy-pericardiotomy 6 to 8 weeks before study).
  • (9) The intensity of acetylcholine and norepinephrine synthesis was decreased in old age, the transmitter metabolism in various parts of the heart was not uniformly altered, the sensitivity of epicardial chemoreceptors to nicotine, veratrum, acetylcholine was increased.
  • (10) Results suggest that ingestion of plant material could account for many open ewes at lambing time in ranching operations where Veratrum has been ingested in early gestation.
  • (11) The observed differences between the electrophysiological actions of aconitine and veratrum alkaloids may be explained in part with differences in Na+ channel inactivation produced by these toxins, in addition to differences in their use-dependent behavior.
  • (12) Among veratrum alkaloids, only those with an intact furan ring E were teratogenic in sheep, whereas those in which the peperidine ring is not rigidly positioned at right angles to the steroid were not.
  • (13) The categories of pharmacologic compounds include both those compounds that act on identified membrane receptors (e.g., cholinergic agonists, catecholamines, and neuroactive peptides) and those that act on unidentified receptors (e.g., cardiac glycosides and Veratrum alkaloids, among others).
  • (14) This study examined the role of veratrum-sensitive ventricular receptors in the control of renin secretion in eight chloralose-anesthetized dogs.
  • (15) A spontaneous congenital deformity is produced in lambs whose dams consume Veratrum californicum on the 14th day of gestation.
  • (16) Three groups of conscious dogs, with carotid sinus intact, with prior sinoaortic denervation (SAD), and with prior lesion of the area postrema (AP), were instrumented for monitoring arterial pressure and heart rate and with left circumflex coronary artery or left atrial catheters for administration of veratrum alkaloids.
  • (17) Jervine, a steroidal alkaloid found as a minor constituent in the teratogenic range plant Veratrum californicum, has produced similar terata in sheep, rabbit, hamster, and chick, although the sensitivity to the alkaloid varies in the different species.
  • (18) This paper presents the experimental results of the absorption of orally administered Veratrum nigrum in the upper digestive tract.
  • (19) Golden hamster fetuses were extremely sensitive to the teratogenic action of jervine and cyclopamine, the steroidal alkaloid tetratogens from Veratrum californicum.
  • (20) Using the guinea-pig flank model which has been developed to study this cutaneous phenomenon we have constructed dose-response curves to three structurally related pyrethroids (permethrin, cypermethrin and deltamethrin) and to a mixture of veratrum alkaloids (veratrine).

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