File:Sea urchin SEM03.jpg
From Embryology
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Sea Urchin Gastrula Stage
Scanning electron microscope image of Strongylocentrotus drobachiensus (sea urchin) at the gastrula stage.
Embryo was cut in half to reveal blastocoel cavity, containing blastocoel matrix material, primary mesenchyme cells and secondary mesenchyme cells migrating from the tip of the archenteron.
Class Echinoidea - Superorder Echinacea - Order Echinoida - Strongylocentrotus drobachiensus
- Links: Sea Urchin Development
JEOL 35C SEM Evelyn Spiegel, Louisa Howard
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:13, 2 June 2011 | | 1,000 × 712 (154 KB) | S8600021 (talk | contribs) | ==Sea Urchin Gastrula Stage== Scanning electron microscope image of Strongylocentrotus drobachiensus (sea urchin) at the gastrula stage. Embryo was cut in half to reveal blastocoel cavity, containing blastocoel matrix material, primary mesenchyme cells |
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