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Jean-Baptise Denys invents a mothed of blood tranfussion.
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William Henry concluded all animals develope from eggs.
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Jan Swammerdam obsevered red blood cells.
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Cells were described by Hooke.
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Francesco Redi showed fly maggots only appeared on pieces of meat in jars left open to air.
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Published the development of the chicken.
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Discovers protoza and called it "animalcules"
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Obsevered spermatoza
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Observed bacteria.
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Invention of the microscope.
