File:Sea urchin SEM03.jpg
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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
Image Source: Dartmouth Electron Microscope Facility A variety of scanning and transmission electron microscope images (These images are in the public domain)
(original image scaled, contrast altered and background tidied)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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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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