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The use of "poison" as an adjective ("poisonous") dates from the 1520s. Using the word "poison" with plant names dates from the 18th century. The term "poison ivy", for example, was first used in 1784 and the term "poison oak" was first used in 1743. The term "poison gas" was first used in 1915. [1]
Visible symptoms of arsenic poisoning following exposure. Poisoning is the harmful effect which occurs when toxic substances are introduced into the body. [1] The term "poisoning" is a derivative of poison, a term describing any chemical substance that may harm or kill a living organism upon ingestion. [2]
Cyanide is a broad-spectrum poison because the reaction it inhibits is essential to aerobic metabolism; COX is found in multiple forms of life. [28] However, susceptibility to cyanide is far from uniform across affected species; for instance, plants have an alternative electron transfer pathway available that passes electrons directly from ...
A toxicologist working in a lab (United States, 2008)Toxicology is a scientific discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms [1] and the practice of diagnosing and treating exposures to toxins and toxicants.
The following is a list of types of poison by intended use: Biocide – a chemical substance capable of killing living organisms, usually in a selective way Fungicide – a chemical compound or biological organism used to kill or inhibit fungi or fungal spores; Microbicide – any compound or substance whose purpose is to reduce the infectivity ...
The history of poison [1] stretches from before 4500 BCE to the present day. Poisons have been used for many purposes across the span of human existence, most commonly as weapons, anti-venoms, and medicines. Poison has been heavily studied in toxicology, among other sciences, and its use has led to several technological innovations.
Poison pill amendment or wrecking amendment, an addition to a legislative bill that renders it ineffective; Shareholder rights plan, also called a poison pill, a subclass of anti-takeover provisions that dilutes the attacker's power; Poison pill (NBA), a type of player contract provision for some free agents in the National Basketball Association
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. [1] Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell (cytotoxicity) or an organ such as the liver (hepatotoxicity).