Swammerdam valve

zoology

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In Jan Swammerdam
…lymphatic vessels, now known as Swammerdam valves. He described the ovarian follicles of mammals in the same year as the physician Reinier de Graaf (1672) and devised improved techniques for injecting wax and dyes into cadavers, which had important consequences for the study of human anatomy. His ingenious experiments showed…
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