File:Chick embryo. longitudinal section of a chick of the fourth day.jpg
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| Description | Fig. 81. Diagrammatic longitudinal section of a chick of the fourth day (after Allen Thomson). ep, epiblast ; hy, hypoblast ; sm. somatopleure ; vm. splanchnopleure ; af. pf. folds of the amnion ; pp. pleuroperitoneal cavity ; am. cavity of the amnion ; al. allantois; a. position of the future anus ; h. heart ; z. intestine ; vi. vitelline duct ; ys. yolk; s. foregut ; m. position of the mouth ; me. mesentery. |
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| Source | https://www.flickr.com/photos/internetarchivebookimages/20534518790/ https://archive.org/details/cu31924000353601/page/75/mode/1up?view=theater A text-book of animal physiology, with introductory chapters on general biology and a full treatment of reproduction. New York, D. Appleton. |
| Author | Mills, Wesley, 1847-1915 |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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This image, originally posted to Flickr, was reviewed on 21 February 2024 by the administrator or reviewer Abzeronow, who confirmed that it was available on Flickr under the stated license on that date. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:27, 14 February 2024 | | 1,344 × 534 (307 KB) | Rasbak (talk | contribs) | {{Information |description=Fig. 81. Diagrammatic longitudinal section of a chick of the fourth day (after Allen Thomson). ep, epiblast ; hy, hypoblast ; sm. somatopleure ; vm. splanchnopleure ; af. pf. folds of the amnion ; pp. pleuroperitoneal cavity ; am. cavity of the amnion ; al. allantois; a. position of the future anus ; h. heart ; z. intestine ; vi. vitelline duct ; ys. yolk; s. foregut ; m. position of the mouth ; me. mesentery. |date= 1819 |source=https://www.flickr.com/photos/intern... |
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