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Among Galen's major contributions to medicine was his work on the circulatory system. He was the first to recognize that there are distinct differences between venous (dark) and arterial (bright) blood. In addition to these discoveries, Galen postulated much more about the nature of the circulatory system. He believed that blood originated in ...
Galen produced more work than any author in antiquity, [1] His surviving work runs to over 2.6 million words, and many more of his writings are now lost. [1]Karl Gottlob Kühn of Leipzig (1754–1840) published an edition of 122 of Galen's writings between 1821 and 1833.
Though the pathology of contagion was understood by Muslim physicians since the time of Avicenna (980–1037) who described it in The Canon of Medicine (c. 1020), [6] the first physician known to have made postmortem dissections was the Arabian physician Avenzoar (1091–1161) who proved that the skin disease scabies was caused by a parasite ...
Galenic formulation is named after Claudius Galen, a 2nd Century AD Greek physician, who codified the preparation of drugs using multiple ingredients. Today, galenic formulation is part of pharmaceutical formulation. The pharmaceutical formulation of a medicine affects the pharmacokinetics, pharmacodynamics and safety profile of a drug.
Vesalius picked up from the work of Galen (129–c. 200 CE) which was based on the dissection of animals from pigs to apes. [12] The works of Galen would be accepted until Vesalius. He would challenge the medieval views of human anatomy made by Galen that had been taught for centuries. Vesalius paved he foundation of modern anatomy and most of ...
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
He is widely regarded as one of the most important figures in the history of medicine, [19] and also wrote on logic, astronomy and grammar. [20] In his book Doubts about Galen, [21] al-Razi rejects several claims made by the Greek physician, as far as the alleged superiority of the Greek language and many of his cosmological and medical views.
At the heart of Roman medicine and central to the development of Western medicine is Galen of Pergamum (AD 129–c. AD 210). [12] Galen was a prolific writer from whose surviving works comes what Galen believed to be the definitive guide to a healthy diet, based on the theory of the four humours. [13]