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toxin    音标拼音: [t'ɑksən]
n. 毒素

毒素

toxin
n 1: a poisonous substance produced during the metabolism and
growth of certain microorganisms and some higher plant and
animal species

Toxin \Tox"in\, Toxine \Tox"ine\, n. [Gr. toxiko`n. See {Toxic}.
]
A poisonous product formed by an organism, such as a
pathogenic bacterium, a plant or an animal, usually having a
high molecular weight, often a protein or a polysaccharide,
but occasionally a low-molecular weight agent such as
{tetrodotoxin}.

66 Moby Thesaurus words for "toxin":
abomination, acaricide, anthelmintic, antibiotic, antiseptic,
atrocity, bad, bane, befoulment, blight, bug bomb,
carbamate insecticide, chemosterilant,
chlorinated hydrocarbon insecticide, contact poison, corruption,
crying evil, damage, defilement, defoliant, despoliation,
destruction, detriment, disinfectant, eradicant, evil, fumigant,
fungicide, germicide, grievance, harm, havoc, herbicide, hurt, ill,
infection, injury, insect powder, insecticide, microbicide,
mischief, miticide, organic chlorine,
organic phosphate insecticide, outrage, pesticide, poison,
pollution, rat poison, roach paste, roach powder, rodenticide,
stomach poison, systemic, systemic insecticide, the worst, toxic,
toxicant, venin, venom, vermicide, vexation, virus, weed killer,
woe, wrong


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  • Toxin - Wikipedia
    A toxin is a naturally occurring poison [1] produced by metabolic activities of living cells or organisms [2] They occur especially as proteins, often conjugated [3]
  • Toxin | Description, Types, Sources | Britannica
    Toxin, any substance poisonous to an organism The term is sometimes restricted to poisons spontaneously produced by living organisms (biotoxins) Besides the poisons produced by such microorganisms as bacteria, dinoflagellates, and algae, there are toxins from fungi (mycotoxins), higher plants
  • TOXIN Definition Meaning - Merriam-Webster
    For centuries South American tribes have used the toxin curare, extracted from a native vine, to tip their arrows The garden flower called wolfsbane or monkshood is the source of aconite, an extremely potent toxin The common flower known as jimsonweed contains the deadly poison scopolamine
  • Toxins | An Open Access Journal from MDPI
    We previously demonstrated that botulinum neurotoxin A (BoNT-A) exerts bilateral antinociceptive effects, involving trans-synaptic transport at the level of the lumbar spinal cord However, the potential distribution of the toxin to supraspinal sites has not yet been investigated In the present study, we [ ] Read more
  • Toxins-Introduction, Types and Mechanisms - Microbiology Notes
    For e g , Botulinum toxin, produced by Clostridium botulinum, causes flaccid paralysis and affects the central nervous system Even toxins alone can cause disease without the presence of the organisms
  • TOXIN | English meaning - Cambridge Dictionary
    A poison that exists naturally in an insect or animal, and which is often introduced into the victim by biting or stinging, is known as a venom, while one in a plant is generally known as a toxin
  • Toxin - Definition, Effects and Types | Biology Dictionary
    A toxin is a chemical substance which damages an organism A toxin may be as simple as an ion or atom which negatively interferes with a cell A toxin can also be in the form of complex molecules such as the proteins found in snake venom
  • What Are Toxins and How Do They Affect the Body?
    A toxin is a poisonous substance produced within living cells or organisms These substances are distinct from toxicants, which are synthetic chemicals like pesticides
  • Toxin - an overview | ScienceDirect Topics
    Botulinum toxin is the most poisonous substance known to man (Gill, 1982) and it has been reported that a single gram of crystalline toxin, when evenly dispersed and inhaled, has the ability to kill more than 1 million people
  • TOXIN | definition in the Cambridge English Dictionary
    A poison that exists naturally in an insect or animal, and which is often introduced into the victim by biting or stinging, is known as a venom, while one in a plant is generally known as a toxin





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