Poison
In the context of biology, poisons are substances that cause disturbances to organisms, usually by chemical reaction or other activity on the molecular scale, when a sufficient quantity is absorbed by an organism. The fields of medicine (particularly veterinary) and zoology often distinguish a poison from a toxin, and from a venom. Toxins are poisons produced by some biological function in nature, and venoms are usually defined as toxins that are injected by a bite or sting to cause their effect, while other poisons are generally defined as substances absorbed through epithelial linings such as the skin or gut.
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Famous quotes containing the word poison:
“And I will strike down upon thee with great vengeance and furious anger those who attempt to poison and destroy my brothers. And you will know my name is the Lord when I lay my fingers upon thee!”
—Quentin Tarantino, U.S. screenwriter and director, and Roger Avary. Jules (Samuel Jackson)
“The one conclusive argument that has at all times discouraged people from drinking a poison is not that it kills but rather that it tastes bad.”
—Friedrich Nietzsche (1844–1900)
“They love not poison that do poison need.”
—William Shakespeare (1564–1616)