Toxin

An organic substance usually acting at low concentration, usually produced by a living organism and irreversibly affecting the normal processes of a living organism.

Toxin

A toxin is a fairly complex and highly toxic organic substance produced by a living organism. See toxicant.

Toxin

A poisonous substance.

toxin

A naturally-produced poisonous substance that will damage or kill other cells. Bacterial toxins are frequently the major cause of the pathogenicity of the organism in question. See endotoxins and exotoxins.

Toxin

A toxin (from toxikon) is a poisonous substance produced within living cells or organisms; synthetic toxicants created by artificial processes are thus excluded. The term was first used by organic chemist Ludwig Brieger (1849–1919). Toxins can be small molecules, peptides, or proteins that are capable of causing disease on contact with or absorp...
Found on http://en.wikipedia.org/wiki/Toxin

Toxin

• (n.) Alt. of Toxine
Found on http://thinkexist.com/dictionary/meaning/toxin/

toxin

<pharmacology> A poison, frequently used to refer specifically to a protein produced by some higher plants, certain animals and pathogenic bacteria, which is highly toxic for other living organisms. ... Such substances are differentiated from the simple chemical poisons and the vegetable alkaloids by their high molecular weight and antigenici...
Found on http://www.encyclo.co.uk/local/20973

toxin

(Gr toxikon arrow poison, from Gr. toxikos of or for a bow) a poison; frequently used to refer specifically to a protein produced by some higher plants, certain animals, and pathogenic bacteria, which is highly toxic for other living organisms. Such substances are differentiated from the simple chemical poisons and the vegetable alkaloids by their....
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio87.html

toxin

(tok;sin) A poison.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

toxin

(tok´sin) a poison, especially a protein or conjugated protein produced by certain animals, higher plants, and pathogenic bacteria. Usually only a few toxin-producing agents are introduced into the body, and it is not until there are enough of them to overwhelm the leukocytes and other types of antibodies that sym...
Found on http://www.encyclo.co.uk/local/21001

toxin

noun a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
Found on https://www.encyclo.co.uk/local/20974

toxin

A compound produced by a microorganism and being toxic to a plant or animal.
Found on http://ppathw3.cals.cornell.edu/glossary/Defs_T.htm

toxin

a harmful or poisonous agent.
Found on http://www.encyclo.co.uk/local/22225

toxin

A poison formed as a specific secretion product in the metabolism of a vegetable or animal organism as distinguished from inorganic poisons. Toxins can also be manufactured synthetically.
Found on http://www.chemicalglossary.net/definition/1584-TOXIN

toxin

A poison made by certain bacteria, plants, or animals, including insects.
Found on http://www.cancer.gov/dictionary?expand=T

Toxin

A poison produced by a plant or animal as distinguished from simple chemical poisons such as lead, arsenic, or cyanide.
Found on http://www.sheepusa.org/

Toxin

a poison produced by microorganisms
Found on http://afspoultry.ca.uky.edu/extension-glossary

Toxin

a poisonous substance
Found on http://www.medichecks.com/glossary.cfm?ltr=T

toxin

A poisonous substance produced by a living organism. Many microorganisms, animals, and plants produce chemical substances which are poisonous to some other organism; the toxin may be released continuously into the immediate environment or released only when danger is imminent. Examples include fungi...
Found on http://www.daviddarling.info/encyclopedia/T/toxin.html

Toxin

A poisonous substance produced by a living organism.
Found on https://extension.umd.edu/hgic/resource-library/vegetable-gardening-glossar

Toxin

A poisonous substance produced by a living organism, generally bacteria.
Found on http://www.vidyagyaan.com/general-knowledge/basic-chemistry-element-terms-a

toxin

A poisonous substance.
Found on http://animal-world.com/encyclo/reptiles/information/reptile_glossary.php

Toxin

A substance that can cause illness, injury or death. Toxins are produced by living organisms.
Found on https://my.clevelandclinic.org/health/articles/9578-alzheimers-disease-glos

toxin

Any poison produced by another living organism (usually a bacterium) that can damage the living body. In vertebrates, toxins are broken down by enzyme action, mainly in the liver
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0026177.html

toxin

Any poisonous substance of biological origin.
Found on http://www.extension.org/pages/27530/goat-glossary-of-terms#.Uj3dsj9rPgY
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