File:Allantois bird (01).jpg
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| Description | Figs. 77-79. A series of diagrams intended to facilitate the comprehension of the relations of the membranes to other parts (after Foster and Balfour). A, B, C, D, E, F are vertical sections in the long axis of the embryo at different periods, showing the stages of development of the amnion and of the yolk-sac. I, II, II, IV are transverse sections at about the same stages of development. i, ii, iii, posterior part of longitudinal section, to illustrate three stages in formation of the allantois. e. embryo; y. yolk ; pp. pleuroperitoneal cavity; vt. vitelline membrane of amniotic fold; al. allantois; ; af. folds of the amnion; a. amnion; a’. alimentary canal; ys. yolk sac. |
| Date | |
| Source | https://www.flickr.com/photos/internetarchivebookimages/20101563083/in/photostream/ https://www.flickr.com/photos/internetarchivebookimages/20729365151/in/photostream/ https://archive.org/details/cu31924000353601/page/72/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 19 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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| current | 22:18, 14 February 2024 | | 1,350 × 1,093 (407 KB) | Rasbak (talk | contribs) | {{Information |description=Figs. 77-79. A series of diagrams intended to facilitate the comprehension of the relations of the membranes to other parts (after Foster and Balfour). A, B, C, D, E, F are vertical sections in the long axis of the embryo at different periods, showing the stages of development of the amnion and of the yolk-sac. I, II, II, IV are transverse sections at about the same stages of development. i, ii, iii, posterior part of longitudinal section, to illustrate three stages... |
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