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STENTOR

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Originally appearing in Volume V25, Page 879 of the 1911 Encyclopedia Britannica.
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STENTOR , a genus of heterotrichous ciliate See also:

Infusoria (q.v.), so named by R. See also:Oken. It possesses a large moniliform See also:meganucleus, accompanied by numerous micronuclei, and has a See also:trumpet shape, when at See also:rest, anchored by pseudopodial outgrowths from the narrow end. It is relatively large, and is much utilized to demonstrate See also:myonemes, and had been also the See also:object of interesting studies on regeneration, any piece, containing with a fragment of the meganucleus at least one See also:micronucleus, regenerating the whole See also:animal (see REGENERATION). S. polymorphus often inhabits a gelatinous sheath and may be See also:green with zoochlorella; it attains a length of ?b in. S. caeruleus and igneus are coloured See also:blue and See also:scarlet respectively by pigment granules in the ectosarc: E. R. Lankester made a study of the pigment of the former (blue stentorin).

End of Article: STENTOR

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STEPHAN, HEINRICH VON (1831-1897)

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