File:Amphioxus Thirty-two cell stage.jpg

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Description Fig. 56.— Thirty-two cell stage, consisting of four rows of eight cells, each ranged around a central segmentation cavity (blastocoel). The polar body is still visible at the animal pole. (After HATSCHEK.)
Date
Source https://archive.org/details/cu31924001026131/page/108/mode/1up?view=theater Amphioxus and the ancestry of the vertebrates. New York, London, Macmillan.
Author Willey, Arthur

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current18:21, 24 March 2024Thumbnail for version as of 18:21, 24 March 2024657 × 625 (281 KB)Rasbak (talk | contribs){{information |description=Fig. 56.— Thirty-two cell stage, consisting of four rows of eight cells, each ranged around a central segmentation cavity (blastocoel). The polar body is still visible at the animal pole. (After HATSCHEK.) |date=1894 |source=https://archive.org/details/cu31924001026131/page/108/mode/1up?view=theater Amphioxus and the ancestry of the vertebrates. New York, London, Macmillan. |author=Willey, Arthur }} == {{int:license-header}} == {{PD-Old}} {{Licensereview}} [[Cate...

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