#poisonous_substance__poisonoussubstance__poison any substance that causes injury or illness or death of a living organism
supertype: substance__matter that which has mass and occupies space; "an atom is the smallest indivisible unit of matter"
subtype: atropine a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil
subtype: belladonna an alkaloidal extract or tincture of the poisonous belladonna herb that is used medicinally
subtype: hyoscyamine a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
subtype: toxin a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
subtype: animal_toxin__zootoxin a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals
subtype: venom toxin secreted by animals (by certain snakes and poisonous insects (e.g., spiders and scorpions))
subtype: kokoi_venom__kokoivenom a potent neurotoxin found in a particular frog
subtype: snake_venom__snakevenom venom secreted by certain snakes
subtype: bacterial_toxin__bacterialtoxin any endotoxin or exotoxin formed in or elaborated by bacterial cells
subtype: anatoxin__toxoid a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin; "diphtheria toxoid"
subtype: botulin__botulinus_toxin__botulismotoxin potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism
subtype: cytotoxin any substance that has a toxic effect on cells
subtype: endotoxin a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die
subtype: exotoxin a toxin that is secreted by microorganisms into the surrounding medium
subtype: neurotoxin__neurolysin any toxin that affects neural tissues
subtype: saxitoxin a powerful neurotoxin produced by certain dinoflagellates found in red tides; it can accumulate in mollusks that feed on the dinoflagellates and cause food poisoning to humans
subtype: kokoi_venom__kokoivenom a potent neurotoxin found in a particular frog
subtype: plant_toxin__planttoxin__phytotoxin any substance produced by plants that is similar in its properties to extracellular bacterial toxin
subtype: nicotine an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
subtype: strychnine an alkaloid plant toxin extracted chiefly from nux vomica; formerly used as a stimulant
subtype: brucine a bitter alkaloid poison resembling strychnine and extracted from nux vomica
subtype: hemlock.plant_toxin poisonous drug derived from an Eurasian plant of the genus Conium; "Socrates refused to flee and died by drinking hemlock"
subtype: tubocurarine__curare a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles; used by South American indians as an arrow poison; "curare acts by blocking cholinergic transmission at the myoneural junction"
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