File:1911 Britannica - Diagram of embryo of Amphioxus.png
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Summary
| Description |
English: Diagram of embryo of Amphioxus seen from above in optical section. (Adapted from Hatschek.) pc, Praechordal head-cavity of embryo; cc, collar-cavity (first somite); my, mesodermic somites (myocoelomic or archenteric pouches); ch, notochord with the neural tube (neurochord) lying upon it; np, anterior neuropore; ne, position of posterior neurenteric canal. Illustration from 1911 Encyclopædia Britannica, article Amphioxus. |
| Date | |
| Source |
 Encyclopædia Britannica Eleventh Edition, Vol. 1, Page 890 |
| Author | Encyclopædia Britannica, 1911 |
Licensing
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:37, 16 January 2012 | | 516 × 1,089 (82 KB) | Clarice Reis |
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