Modern concept of health and disease
Modern concept of health and disease
Modern concept of health and disease
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ROMAN PHYSICIANS - GALENUS<br />
Galen's fame rested on his anatomical demonstrations,<br />
performed vivisections <strong>of</strong> numerous animals to study<br />
the function <strong>of</strong> the kidneys <strong>and</strong> the spinal cord<br />
Mistaken ideas: A group <strong>of</strong> blood vessels near the back<br />
<strong>of</strong> the brain (rete mirabile) was thought common in<br />
humans, although absent in humans<br />
Recognition <strong>of</strong> the role <strong>of</strong> blood in feeding tissues:<br />
Identified venous (dark red) blood, originated in the<br />
liver <strong>and</strong> arterial (brighter <strong>and</strong> thinner) blood,<br />
originated in the heart<br />
Mechanism <strong>of</strong> nerve function<br />
Performed operations - brain <strong>and</strong> eye surgeries - that<br />
were not tried again for almost two millennia<br />
Author <strong>of</strong> about 600 treaties (He employed 20 scribes<br />
to write down his words)<br />
Legendary reputation: "Primum sane medicorum esse,<br />
philosophorum autem solum" (First among doctors <strong>and</strong><br />
unique among philosophers. Marcus Aurelius)
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