File:Protovsdeuterostomes-Farsi.svg
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Size of this PNG preview of this SVG file: 577 × 527 pixels. Other resolutions: 263 × 240 pixels | 526 × 480 pixels | 841 × 768 pixels | 1,121 × 1,024 pixels | 2,242 × 2,048 pixels.
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English: This diagram is showing the difference of the two major types of coelomates: the protostomes (molluscs, annelids, arthropods, ...) and deuterostomes (echinoderms, vertebrates, ...). These groups differ in several characteristics of early development; In deuterostomes blastula divisions is called "radial cleavage" because it occurs parallel or perpendicular to the major polar axis. In protostomes the cleavage is called "spiral" because division planes are oriented obliquely to the polar major axis. During gastrulation, protostomes embryos' mouth was given first by the blastopore while the anus was formed later and vice versa for the deuterostomes. As examples :
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| Source | File:Protovsdeuterostomes.svg | ||||||||||||||||||||||||
| Author | user:Tisfoon | ||||||||||||||||||||||||
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I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:00, 23 April 2023 | | 577 × 527 (1.05 MB) | Tisfoon (talk | contribs) | جابجایی دو عنوان در تصویر جهت نمایش بهتر آنان |
| 23:51, 22 April 2023 |  | 577 × 527 (1.16 MB) | Tisfoon (talk | contribs) | تغییر مکان نوشتهها برای نمایش بهتر آنان | |
| 06:03, 22 April 2023 |  | 577 × 527 (1.16 MB) | Tisfoon (talk | contribs) | {{Information |description={{en|1=This diagram is showing the difference of the two major types of coelomates: the {{W|protostomes}} (molluscs, annelids, arthropods, ...) and {{W|deuterostomes}} (echinoderms, vertebrates, ...). These groups differ in several characteristics of early development; In deuterostomes blastula divisions is called "{{W|radial cleavage}}" because it occurs parallel or perpendicular to the major polar axis. In protostomes the cleavage is called "spiral" because divisi... |
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