File:EB1911 Infusoria - Colpidium colpoda - changes during conjugation.jpg
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EB1911_Infusoria_-_Colpidium_colpoda_-_changes_during_conjugation.jpg (373 × 333 pixels, file size: 40 KB, MIME type: image/jpeg)
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[edit]DescriptionEB1911 Infusoria - Colpidium colpoda - changes during conjugation.jpg |
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. |
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Date | published 1911 | ||||
Source | “Infusoria,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 560, fig. v. | ||||
Author | From Lankester’s Treatise on Zoology. From Hickson, after Maupas. | ||||
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current | 16:35, 14 August 2018 | ![]() | 373 × 333 (40 KB) | Bob Burkhardt (talk | contribs) | {{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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