File:Abatus cordatus Segmentation (01).jpg
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editDescriptionAbatus cordatus Segmentation (01).jpg | Figure 3. Segmentation of Abatus cordatus. (A) Constriction (arrow), 2 days after fertilization. (B) Second mitosis (anaphase) of one of the two first blastomeres (4 days after fertilization). Arrows show mitotic spindle, condensed chromosomes are visible in the open circle. (C) Section through the blastomeres at the animal pole (6 days after fertilization). They are all separated from the yolk mass. A is a videotape frame, B and C are semi-thin plastic sections (toluidine blue, pH 11.5). Abbreviations: ap, animal pole; bl, blastomere; fm, fertilization membrane; M, mitosis; vp, vegetal pole; vs, vitelline space; ym, yolk mass. Scale bar = A, 500 μm; B, 50 μm; C, 250 μm |
Date | |
Source | https://archive.org/details/biologicalbullet1901996lill/page/30/mode/1up?view=theater The Biological bulletin. Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. |
Author | Lillie, Frank Rattray, Moore, Carl Richard, Redfield, Alfred Clarence. |
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current | 22:22, 26 March 2024 | ![]() | 1,269 × 1,137 (1.06 MB) | Rasbak (talk | contribs) | {{information |description=Figure 3. Segmentation of Abatus cordatus. (A) Constriction (arrow), 2 days after fertilization. (B) Second mitosis (anaphase) of one of the two first blastomeres (4 days after fertilization). Arrows show mitotic spindle, condensed chromosomes are visible in the open circle. (C) Section through the blastomeres at the animal pole (6 days after fertilization). They are all separated from the yolk mass. A is a videotape frame, B and C are semi-thin plastic sections (to... |
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