File:Acipenser sturio sturgeon cleavage in the egg.jpg

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Description Fig. 152. Cleavage in the egg of the sturgeon, Acipenser sturio. (After Dean, 1895.) (A. B) First and second cleavage planes are approximately meridional. (C) Third cleavage planes are vertical, usually parallel to first cleavage plane. (D) Fourth cleavage planes are vertical, cutting off four central cells from the 12 marginal cells. ( E. F) Later cleavage stages.
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Source https://archive.org/details/comparativeembry00nels/page/309/mode/1up?view=theater&q=BLASTULATION+ Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illustrations.
Author Nelsen, Olin E.

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current10:35, 11 March 2024Thumbnail for version as of 10:35, 11 March 2024931 × 645 (540 KB)Rasbak (talk | contribs){{Information |description=Fig. 152. Cleavage in the egg of the sturgeon, Acipenser sturio. (After Dean, 1895.) (A. B) First and second cleavage planes are approximately meridional. (C) Third cleavage planes are vertical, usually parallel to first cleavage plane. (D) Fourth cleavage planes are vertical, cutting off four central cells from the 12 marginal cells. ( E. F) Later cleavage stages. |date=1953 |source=https://archive.org/details/comparativeembry00nels/page/309/mode/1up?view=theater&q...

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