toxonn.1
/ˈtɒksɒn/ Zoology.
A bow-shaped sponge spicule. Cf. tox n.1
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > flesh spicule > having form of bow
toxaspire1887
toxon1894
tox1909
1894 Jrnl. Marine Zool. Feb. 40 A second and slender form of spicule, bow-shaped (toxon) can also be made out.
This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2018).
toxonn.2
Pathology and Chemistry.
(See quots.)
ΘΚΠ
the world > life > biology > substance > process stimulators or inhibitors > toxin > [noun]
toxin1890
autointoxicant1891
autotoxin1894
leucocidin1894
cytotoxin1900
toxon1900
nephrotoxin1902
toxonoid1904
zootoxin1906
leucotoxin1908
phalloidin1909
vivotoxin1953
victorin1954
phalloin1959
bungarotoxin1963
pathotoxin1963
trichothecene1971
1900 Lancet 18 Aug. 528/1 Löffler's diphtheria bacillus produced substances of two kinds—toxins and toxons... The action of the toxons was different from, and weaker than, that of the toxins.
1904 Brit. Med. Jrnl. 10 Sept. 567 The diphtheria poison is not a single substance, but consists of two chief components, toxin and toxon.
Derivatives
(Cf. toxoid n.)
ˈtoxonoid n. a modification of a toxon, in which the toxic properties are lost.
ΘΚΠ
the world > life > biology > substance > process stimulators or inhibitors > toxin > [noun]
toxin1890
autointoxicant1891
autotoxin1894
leucocidin1894
cytotoxin1900
toxon1900
nephrotoxin1902
toxonoid1904
zootoxin1906
leucotoxin1908
phalloidin1909
vivotoxin1953
victorin1954
phalloin1959
bungarotoxin1963
pathotoxin1963
trichothecene1971
1904 Brit. Med. Jrnl. 10 Sept. 573 Ehrlich explained the peculiarity that the ‘toxon’ has acute killing properties, by the assumption of two different kinds of toxon, thus introducing the conception of a new body—the toxonoid.
This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2019).
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