Poison


 
 
Poison

:This article is about the dangerous substance. For the band see Poison.

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In the context of biology, poisons are substances that cause injury, illness, or death to organisms, usually by chemical reaction or other activity on the molecular scale. Some poisons are also toxins, usually referring to naturally produced substances that kill rapidly in small quantities, such as the bacterial proteins that cause tetanus and botulism. A distinction between the two terms is not always observed, even among scientists. Animal toxins that are delivered subcutaneously (e.g. by sting or bite) are also called venom. In normal usage, a poisonous organism is one that is harmful to consume, but a venomous organism uses poison to defend itself while still alive. A single organism can be both venomous and poisonous.The derivative forms "toxic" and "poisonous" are synonymous. Within chemistry and physics, a poison is a substance that obstructs or inhibits a reaction, for example by binding to a catalyst. Poisons have been known to be symbolized by the skull and crossbones (shown beside), although since this attracts children (being linked to pirates) it is gradually being replaced by Mr. Yuk in the United States.

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Poison: :This article is about the dangerous substance. For the band see Poison....

Organism: In biology and ecology, an organism (in Greek organon = instrument) is an assembly of organs that influence each other in such a way that they function as a more or less stable whole and have properties of life....

Chemical reaction: A chemical reaction is a process involving one, two or more substances (called reactants), characterized by a chemical change and yielding one or more product(s) which are different from the reactants. Classically, chemical reactions encompass changes that strictly involve the motion of electrons,...


Poison related Images and Photos (experimental)

Poison
Poison
Poison
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Poison
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Poison - Cat Dragged
Poison - Cat Dragged
Poison - Cat Dragged
Poison - Cat Dragged
Poison Ivy/Poison Ivy 2/Poison Ivy 3: The New Seduction (DVD) (3FE) (MT)
Poison Ivy/Poison Ivy 2/Poison Ivy 3: The New Seduction (DVD) (3FE) (MT)
Poison Ivy 4: Secret Society (Blu-Ray)
Poison Ivy 4: Secret Society (Blu-Ray)
Poison Ivy 4: The Secret Society (DVD)
Poison Ivy 4: The Secret Society (DVD)
Blue Poison-Dart Frog
Blue Poison-Dart Frog
Poison: The Best of Poison - 20 Years of Rock
Poison: The Best of Poison - 20 Years of Rock

~ Table of Content ~

Introduction
Biological poisoning
Classification of biological poisons by mechanism
Examples of biological poisons by source
Famous poisonings
Poisons in crime fiction
Poison in other literary works
See also
External links
 
FR: Poison


 

~ Related Subjects ~

Biology (2) - Greek (1) - Organ (1) - Life (1) - Ecology (1) - Pirates (1) - Mr. Yuk (1) - United States (1) - Substances (1) - Chemical equation (1) - Transformations of elementary particles (1) - Nuclear reaction (1) - Electrons (1) - Reactants (1) - Chemical change (1) -
 

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