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A toxin that has been treated (commonly with formaldehyde) so as to destroy its toxic property but retain its antigenicity, that is, its capability of stimulating the production of antitoxin antibodies and thus of producing an active immunity. For specific toxoids, see entries under vaccine
Synonym(s): anatoxin
[toxin + G. eidos, resemblance]
Farlex Partner Medical Dictionary © Farlex 2012


A weakened bacterial toxin.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(an″ă-tok′sĭn) [ ana- + toxin]
1. Toxoid.
2. A powerful nerve toxin produced by certain blue-green algae.
anatoxic (-toks′ĭk), adjective
Medical Dictionary, © 2009 Farlex and Partners
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In spite of extensive testing demonstrating the contrary, McPartland had stated that this effect was likely due to the presence of anatoxin in AFA, which he claimed acted like cocaine.
Anatoxins are a group of mycotoxins produced mainly by Aspergillus spp.
Algal Toxins: Occurrence and Treatability of Anatoxin and Microcystins (Algal Toxins 97/DW-07/E).
Cyanobacteria can produce two primary types of toxins: anatoxins, which cause sudden death due to respiratory paralysis, and microcystins, which lead to liver failure.
It can produce toxins such as microcystins and anatoxins that affect people and pets that swim in and drink from the water.
These bacteria produce powerful toxins called microcystins and anatoxins. Dogs can be poisoned by swimming in or drinking the toxin-laden water.
Chemical group Chemicals Algal toxins Microcystins (e.g., microcystin-LR), nodularins, anatoxins, cylindrospermopsin, and saxitoxins.