File:Ascaris megalocephala sagittal section through the blastula at the time that the process of gastrulation is commencing.jpg

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Fig. 348.—-Optical median sagittal section through the blastula of Ascaris megalocephala at the time that the process of gastrulation is commencing. (After Boveri.)

The cells P4 and D are beginning to extend beneath E2.
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Source https://www.flickr.com/photos/internetarchivebookimages/20586228048/in/photostream/ Text-book of embryology. London : Macmillan.
Author MacBride, E. W.

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/20586228048. It was reviewed on 25 March 2024 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

25 March 2024

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current01:11, 25 March 2024Thumbnail for version as of 01:11, 25 March 2024724 × 590 (118 KB)Rasbak (talk | contribs){{information |description=Fig. 348.—-Optical median sagittal section through the blastula of Ascaris megalocephala at the time that the process of gastrulation is commencing. (After Boveri.) The cells P<sub>4</sub> and D are beginning to extend beneath E<sub>2</sub>. |date=1914 |source=https://www.flickr.com/photos/internetarchivebookimages/20586228048/in/photostream/ Text-book of embryology. London : Macmillan. |author=MacBride, E. W. }} == {{int:license-header}} == {{CC0}} {{Flickrrev...

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