ricin


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ricin

 [ri´sin]
a phytotoxin in the seeds of the castor oil plant (Ricinus communis), inhalation or ingestion of which causes intoxication, producing superficial inflammation of the respiratory mucosa with hemorrhages into the lungs, or edema of the gastrointestinal tract with hemorrhages.

ri·cin

(rī'sin, ris'in),
A highly toxic lectin and hemagglutin that occurs in castor beans (the seeds of the castor oil plant, Ricinus communis; if ingested, acts as a violent irritant with possibly fatal results, on the respiratory and gastrointestinal mucosa; an N-glycosidase that acts on the GOS subunit of rRNA, halting protein translation.

ricin

/ri·cin/ (ri´sin) a phytotoxin in the seeds of the castor oil plant (Ricinus communis), used in the synthesis of immunotoxins.

ricin

[rī′sin]
a poison made from waste produced in processing castor beans. It can take the form of a powder, mist, or pellet or can be dissolved in water or weak acid and can be used as a poison by ingestion, inhalation, or injection. As little as 500 micrograms can be a fatal dose. It cannot be spread by person-to-person contact. Poisoning is treated by minimizing exposure and by supportive care. There is no antidote. Also called ricinine. See also ribosome-inactivating protein.

ricin

Toxicology A toxic vegetable poison from the castor bean plant–Ricinus communis which causes agglutination and fulminant hemolysis at very high dilutions–1/106 Clinical Abdominal pain, nausea, cramps, convulsions, dehydration, hemolysis, cyanosis, renal failure–oliguria, hematuria, circulatory collapse. See Magic bullet.

ri·cin

(rī'sin)
Toxin derived from castor beans that causes inflammation of the gastrointestinal mucosa and the respiratory tract.
[L. ricinus, castor oil plant]

ricin

A highly poisonous substance found in the castor oil bean Ricinis communis .

ri·cin

(rī'sin)
A highly toxic lectin and hemagglutinin that occurs in castor beans (the seeds of the castor oil plant, Ricinus communis); if ingested, acts as a violent irritant with possibly fatal results, on the respiratory and gastrointestinal mucosa.
[L. ricinus, castor oil plant]

ricin

phytotoxin (combining lectin, toxalbumin, hemagglutinin) in the seeds of the castor oil plant (Ricinus communis), inhalation or ingestion of which causes intoxication, producing superficial inflammation of the respiratory mucosa with hemorrhages into the lungs, or edema of the gastrointestinal tract with hemorrhages.
References in periodicals archive ?
Miller indicated to health care providers that she had attempted to poison other Wake Robin residents using homemade ricin, which she had placed in multiple servings of other residents' food and beverages over a period of weeks," wrote FBI Special Agent Mark Emmons in an affidavit filed at U.
RiVax, Soligenix's proprietary heat stable recombinant subunit vaccine developed to protect against exposure to ricin toxin, contains a genetically altered version of a Ricin Toxin A chain containing two mutations that inactivate the toxicity of the ricin molecule.
In the US crime drama, lead character Walter White, left, plots to kill rivals using ricin.
Around this time, Ali had made a to-do list on his computer which included the entries "paid ricin guy" and "get pet to murder", the court heard.
Computer analysis showed that Ali began trawling the internet for information on poisons such as abrin, ricin and cyanide in October last year.
A witness said the man had asked to speak to the press but then made the shocking ricin claim.
The FBI has not yet revealed details about how lethal the ricin was.
But if ricin gets into the bloodstream, the prognosis is not good.
At the time, Dutsche denied sending the ricin letters or trying to frame Curtis.
Ricin is made from castor beans and can kill within 36 hours.
congressional officials say a letter sent to Republican Senator Roger Wicker of Mississippi has tested positive for the deadly poison ricin.
tested positive for ricin, a deadly toxin derived from castor beans.