Urchin pictures
Sample images from classic research on sea urchins in the Hardin Lab
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Adult L. pictus & S. purpuratus [J. Hardin]

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L. variegatus unfertilized egg [J. Hardin]

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L. variegatus fertilized egg [J. Hardin]

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L. variegatus 2-cell [J. Hardin]

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L. variegatus 4-cell [J. Hardin]

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L. variegatus 8-cell [J. Hardin]

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L. variegatus 16-cell [J. Hardin]

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L. variegatus 16-cell (vegetal) [J. Hardin]

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Isolated L. variegatus 16-cell blastomeres [J. Hardin]

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L. variegatus late 16-cell [J. Hardin]

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L. variegatus 32-cell [J. Hardin]

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L. variegatus 32-cell (vegetal) [J. Hardin]

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L. variegatus hatched blastula [J. Hardin]

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L. variegatus mesenchyme blastula [J. Hardin]

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L. variegatus primary mesenchyme (immunostaining, confocal) [J. Hardin]

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L. pictus vegetal plate - FM4-64 [J. Hardin]

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L. pictus vegetal plate - SEM [J. Hardin]

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L. pictus gastrulae [J. Hardin]

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L. pictus gastrulae - labeled clones in vegetal plate [J. Hardin]

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L. pictus exogastrula - SEM [J. Hardin]

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L. variegatus late gastrula [J. Hardin]

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L. variegatus gastrula in Nitex mesh [J. Hardin]

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L. variegatus gastrula in Nitex mesh [J. Hardin]

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L. variegatus late gastrula - oral view [J. Hardin]

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L. variegatus late gastrula in capillary tube [J. Hardin]

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L. variegatus prism stage [J. Hardin]

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L. variegatus prism stage [J. Hardin]

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L. variegatus prism - in situ for LvS1 [J. Hardin]

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L. variegatus late gastrula - vegetal view [J. Hardin]

Double-label_sna_PMCs

L. variegatus - snail (red) & PMCs (green) [J. Hardin]

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S. purpuratus early plutei - polarization microscopy [J. Hardin]

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S. purpuratus early plutei - polarization microscopy [J. Hardin]

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L. variegatus pluteus [J. Hardin]

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L. variegatus pluteus - polarization microscopy [J. Hardin]

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L. variegatus pluteus [J. Hardin]

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L. variegatus pluteus - aboral view [J. Hardin]

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L. variegatus veg2 clone induces skeleton [J. Hardin]

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L. variegatus veg2 clone induces skeleton [J. Hardin]

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L. variegatus pluteus - animal pole removed at gastrula [J. Hardin]

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L. variegatus gastrula - 6a3 staining [J. Hardin]

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L. variegatus prism - NiCl2 treated (polarization) [J. Hardin]

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L. variegatus late gastrula - 1g8 staining + ECM [J. Hardin]

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L. pictus early gastrula plate - phalloidin [J. Hardin]

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L. variegatus - Mab183 treated [J. Hardin]

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L. variegatus prism - Endo1 [J. Hardin]

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L. variegatus pluteus - NiCl2 treated (polarization) [J. Hardin]

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L. variegatus gastrula - NiCl2 treated (vegetal) [J. Hardin]

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L. variegatus prism - NiCl2 treated (1g8 stained) [J. Hardin]

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L. variegatus late gastrula (ventral) [J. Hardin]

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L. variegatus animal pole + PMCs [J. Hardin]

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L. variegatus pluteus with NiCl2 treated PMCs [J. Hardin]

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L. variegatus NiCl2 treated pluteus with normal PMCs [J. Hardin]