File:Nematode Variations in early cleavage pattern.jpg
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| Description | Figure 4. Variations in early cleavage pattern. a-c, C. elegans. a, With the first division a larger somatic cell AB (left) and a smaller germline cell P1 (right) are generated; b, 4-cell stage, AB has divided symmetrically with transverse spindle orientation, P1 has divided asymmetrically with longitudinal spindle orientation; c, 8-cell stage, germline cell P2 has divided asymmetrically; ∗, germline cells. d-f, Trichuris muris. d, 2-cell stage, an extremely asymmetric first cleavage has generated a smaller anterior and a larger posterior cell; e, 4-cell stage, both daughters have performed a symmetric division; f, 8-cell stage, no prominent asymmetric division has occurred. g-i, Prionchulus sp.; g, 2-cell stage resulting from a symmetric first cleavage; h, 4-cell stage, both daughter cells have divided symmetrically with transverse spindle orientation; i, 8-cell stage, one cell has performed a germline-like asymmetric division. j-l, Enoplus brevis, absence of early, asymmetric divisions giving no indication for the presence of a germ line; epi-illumination used because embryos are not transparent. Connecting lines, selected sister cells. Orientation: a-i, anterior, left. Scale bars: a-i, 10 μm, j-l, 100 μm. |
| Date | |
| Source | http://www.wormbook.org/chapters/www_embryovariationdevelop/embryovariationdevelop.html Schierenberg, E. Embryological variation during nematode development (January 02, 2006), WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.55.1, http://www.wormbook.org. |
| Author | Einhard Schierenberg |
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http://www.wormbook.org/chapters/www_embryovariationdevelop/embryovariationdevelop.html Schierenberg, E. Embryological variation during nematode development (January 02, 2006), WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.55.1, http://www.wormbook.org., was reviewed on 27 February 2024 by reviewer Yann, who confirmed that it was available there under the stated license on that date.
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| current | 15:56, 26 February 2024 | | 1,800 × 1,569 (1,011 KB) | Rasbak (talk | contribs) | {{Information |description=Figure 4. Variations in early cleavage pattern. a-c, C. elegans. a, With the first division a larger somatic cell AB (left) and a smaller germline cell P1 (right) are generated; b, 4-cell stage, AB has divided symmetrically with transverse spindle orientation, P1 has divided asymmetrically with longitudinal spindle orientation; c, 8-cell stage, germline cell P2 has divided asymmetrically; ∗, germline cells. d-f, Trichuris muris. d, 2-cell stage, an extremely asymmet... |
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