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History of Medicine Introduction The horse has been one of the most important animals throughout human history, and healing horses has had an important place in veterinary and medical literature. Theories about equine physiology and health often mirrored theories about humans, and the literature of both was inherently linked. Bloodletting, astrology, and ancient texts were used by both physicians and veterinarians to heal their patients, and many discoveries, including the circulation of the blood, developed in tandem. The Hippiatrica: Ancient Texts Medieval and Renaissance veterinary medicine looked to ancient veterinary texts for its inspiration, just as physicians for human healing did. In the case of horses, veterinarians relied on a set of Classical and Byzantine Greek texts called the “Hippiatrica,” which was based strongly on ancient Greek texts by physicians like Hippocrates. The most noted of these veterinary authors was Apsyrtos, a military veterinarian in the service of the Roman Emperor Constantine I (306-337). This Website was created to accompany a mini-exhibition held in the History of Medicine Division of the National Library of Medicine, December 5, 2005 to April 28, 2006. The show was curated by Michael North, Head, Rare Books and Early Manuscripts at NLM. For more information, he can be contacted at
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