Encyclopedia - Toxin: Encyclopedia - Toxin
A toxin (Gk. toxikon "(poison) for use on arrows,") is a poisonous substance produced by living cells or organisms. Toxins are nearly alw...   » Read the article

Encyclopedia - Toxin: Encyclopedia Ii - Toxin - Use
Biotoxins are used in nature for two primary reasons: Predation (spider, snake, jellyfish, wasp) Defense (poison dart frog, deadly night...   » Read the article

Encyclopedia - Toxin: Encyclopedia Ii - Toxin - Non-technical Usage
When used non-technically, the term "toxin" is often applied to any toxic substances. Toxic substances not of biological origin are more ...   » Read the article