File:NIE 1905 Oyster - development.jpg

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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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United States
United States
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current19:16, 2 September 2016Thumbnail for version as of 19:16, 2 September 2016449 × 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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