File:EB1911 Infusoria - Colpidium colpoda - changes during conjugation.jpg

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EB1911_Infusoria_-_Colpidium_colpoda_-_changes_during_conjugation.jpg ‎(373 × 333 Pixel, Dateigröße: 40 KB, MIME-Typ: image/jpeg)

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Beschreibung
English: Diagram illustrating changes during conjugation of Colpidium colpoda.

M, Old meganucleus undergoing disintegration.

m, Micronucleus.

N, migratory, and

S, Stationary pairing-nucleus.

M′, M′, the new meganuclei, and

m′, The new micronuclei in the products of the first fission of each of the exconjugates; the continuous vertical line indicates period of fusion, its cessation, separation; dotted lines indicate fission; the spaces lettered 1-7 successive stages in the process; the clear circles indicate functionless nuclei which degenerate.
Datum veröffentlicht 1911
Quelle “Infusoria,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 560, fig. v.
Urheber From Lankester’s Treatise on Zoology. From Hickson, after Maupas.
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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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aktuell16:35, 14. Aug. 2018Vorschaubild der Version vom 16:35, 14. Aug. 2018373 × 333 (40 KB)Bob Burkhardt (Diskussion | Beiträge){{Information |description ={{en|1=Diagram illustrating changes during conjugation of Colpidium colpoda. M, Old meganucleus undergoing disintegration. m, Micronucleus. N, migratory, and S, Stationary pairing-nucleus. M′, M′, the new meganuclei, and m′, The new micronuclei in the products of the first fission of each of the exconjugates; the continuous vertical line indicates period of fusion, its cessation, separation; dotted lines indicate fission; the spaces lettered 1-7 successive...

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