File:NIE 1905 Oyster - development.jpg
Size of this preview: 424 × 600 pixels. Other resolutions: 170 × 240 pixels | 449 × 635 pixels.
Original file (449 × 635 pixels, file size: 79 KB, MIME type: image/jpeg)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| 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.
Licensing
 |
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.
|
 |
 |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:16, 2 September 2016 | | 449 × 635 (79 KB) | Library Guy | {{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... |
File usage
The following 2 pages use this file:
