ricin


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Related to ricin: castor oil, castor beans, Castor oil plant

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 ?
Ali was unaware that his source - Psychochem - was in fact an FBI agent who tipped off police in England and sent Ali a harmless powder instead of the ricin.
He added: "I found lots of different items ranging from drugs, guns, other illegal items and because I had been watching Breaking Bad I just had ricin in my mind.
The court heard Ali approached the undercover agent in January with a private message: "Hi, would you be able to make me some ricin and send it to the UK?
There are currently no effective means to prevent the effects of ricin poisoning.
Ali told the court he was "curious" and decided to buy ricin after he had seen it on Breaking Bad, which stars Bryan Cranston as a teacher-turned-drug lord.
He told the jury: "I was interested in the Dark Net and ricin.
Ricin can take up to a day to reveal its potentially fatal symptoms and he was kept in hospital overnight.
But if ricin gets into the bloodstream, the prognosis is not good.
Officials say it tested positive for ricin in three separate tests.
Secret Service is investigating a letter containing ricin that was addressed to President Obama, the agency confirmed on Wednesday, and at least four U.
Ricin is a ribosome inactivating protein (RIP) consisting of a heterodimeric polypeptide able to inactivate 1500 ribosome per minute, which interrupts protein synthesis and leads to cell death.
Academics discovered that a polyphenol called Epigallocatechin gallate - a principal property of tea - inactivated ricin, a highly-toxic substance that has been used in attempted terrorist attacks.