poisonous substance

a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides

a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract

a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species

an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally

a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon

a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals

any endotoxin or exotoxin formed in or elaborated by bacterial cells

any substance that has a toxic effect on cells

a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die

a toxin that is secreted by microorganisms into the surrounding medium

any toxin that affects the liver

any toxin that affects the kidneys

any toxin that affects neural tissues

any substance produced by plants that is similar in its properties to extracellular bacterial toxin