1623 - Medicine
Medicine
Italian anatomist Gasparo Aselli, 42, performs a vivisection operation on a dog that has just eaten a substantial meal and discovers "chyle" (lacteal) vessels. Aselli finds that the dog's peritoneum and intestine are covered with a mass of white threads (see Pecquet, 1643).
Smallpox is reported for the first time in Russia, where epidemics of the disease will be as devastating as they are elsewhere.
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