File:NIE 1905 Oyster - development.jpg
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Summary[edit]
| Description |
English: Diagram showing the stages of oyster development in five drawings. |
| Date | published 1905 |
| Source | The New International Encyclopædia, v. 15, 1905, p. 189. |
| Author | unknown artist; authors of the article are Henry Frank Moore and Gilbert Van Ingen |
English: Legend:
1, Unfertilized egg shortly after mixture of spawn and milt; spermatozoa are adhering to the surface. 2, Same egg a few minutes after fertilization; polar body at broad end. 3, Optical section of egg 27 hours after impregnation, showing two large cells, covered by a layer of small ectodermal cells. 4, Optical section of an older egg, now become flattened from above downward. 5, An embryo with well-developed larval shells.
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:16, 2 September 2016 | | 449 × 635 (79 KB) | Library Guy (talk | contribs) | {{Information |Description ={{en|1=Diagram showing the stages of oyster development in five drawings.}} |Source =''The New International Encyclopædia'', v. 15, 1905, p. 189. |Author =unknown artist; authors of the article are Henry... |
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