biology
Showing 661–672 of 764 results
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spermiducte CT (rat or rabbit)
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sphagnum sporogones CL
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spicules of echinoderm
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spider
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spider abdomen with dies
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spike of horsetail CL
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spinal cord (smear) (multipolar neurons)
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spirogyra in scalariform conjugation
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spirogyre in lateral conjugation
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spleen smear
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spongy bone CT
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sporangia and fern spores (polypod)