cytonn.
/ˈsʌɪtɒn/, U.S. /ˈsaɪˌtɑn/ Biology.
A cell body, originally esp. of a neuron (= perikaryon n.), later esp. of a tegumental cell in a schistosome or other flatworm.
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the world > life > the body > nervous system > substance of nervous system > [noun] > nerve cell > parts of
axon1842
cell body1851
neuron1893
neurite1894
neuroplasm1894
perikaryon1897
neurofibril1898
axon hillock1899
telodendrion1899
axoplasm1900
neurofibrilla1902
cyton1910
soma1947
neurotubule1948
neurofilament1955
neurode1987
1910 Jrnl. Nerv. & Mental Dis. 37 765 There are no groups of sensory cytons anywhere in the central nervous system..which might be recognized as at all analogous to the well-recognized groups of motor cytons.
1926 R. E. Snodgrass Morphol. Insect Sense Organs 5 in Smithsonian Misc. Coll. 77 A nerve cyton is said to be unipolar, bipolar, or multipolar, according to the number of processes that arise from it.
1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) x. 142 The central cytoplasmic mass [of the neuron] containing the nucleus of the cell and subtending the processes (if any are present) is the cell body or cyton.
1970 Jrnl. Parasitol. 56 284/2 The cytons, or cell bodies, from which these microvilli extend lie adjacent to the lumen of the daughter sporocyst.
2006 Adv. Parasitol. 63 189 The tegument cytoplasm is connected by numerous, slender, often tortuous, microtubule-lined, cytoplasmic processes to cell bodies (or cytons) that lie beneath the peripheral muscle layers.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).
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n.1910