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. Licensing[
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