File:Ascaris megalocephala the 12-cell stage of the segmentation of the egg.jpg

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Fig. 344.—The 12-cell stage of the segmentation of the egg of Ascaris megalocephala, seen from the left and the right sides respectively in order to show the rearrangement of the daughters of the cell AB. (After Zur Strassen.)

A, from the left side. B, from the right side. The daughters of A have the lightest tone. Those of B have the same tone crossed with oblique lines. The ventral cell family have the deepest tone.
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Source https://archive.org/details/cu31924024787040/page/442/mode/1up?view=theater Text-book of embryology. London : Macmillan.
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MacBride, E. W. (1866 – 1940)

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current22:19, 24 March 2024Thumbnail for version as of 22:19, 24 March 20241,150 × 454 (136 KB)Rasbak (talk | contribs){{information |description=Fig. 344.—The 12-cell stage of the segmentation of the egg of Ascaris megalocephala, seen from the left and the right sides respectively in order to show the rearrangement of the daughters of the cell AB. (After Zur Strassen.) A, from the left side. B, from the right side. The daughters of A have the lightest tone. Those of B have the same tone crossed with oblique lines. The ventral cell family have the deepest tone. |date=1914 |source=https://archive.org/details/...

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