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Claudius Galenus proves arteries have blood inside and they are seperate from veins. Galen finds that blood is formed in the liver
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Ibn al-Nafis discovers and describes the flow of blood to and from the lungs
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Michael Serventussay blood goes from one side of the heart to the other through the lungs instead of through the wall between the ventricles
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Fabricius is the first to have drawings of vein valves.
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William Harvey explains that blood circulates the body and is pumped by the heart.
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Jan Swammerdam is the first person to see and describe red blood cells.
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Jean-Baptiste Denis transfuses nine ounce of lamb's blood to a teenage boy suffering from a fever
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Unaware of Swammrdam's work, Anton van Leeuwenhoek provides precise description of red blood cells and says their size is approximately 25,000 tmes smaller than a fine grain of sand.
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A footnote of a medical journal credits Philip Syng Phyick with performing the first human to human blood transfusion.
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James Blundell performs the fst recored human to human blood trnsfusion. The patient dies after showing signs of improvement
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Karl Landsteinr publishes a paper about his dicovery of three main human blood groups- A,B, and C. C is later changed to O.
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Alfred van Decastello and Adriano Sturli identify a fourth blood group- AB
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Dr. Ludvig Hekton recommends checking donor and recipitates' for compatibility. 128 blood transfusions occur without transfusion reactions.
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Almost simultaneously, Albert Hustin and Luis Agote discover that adding sodium citrate prevents blood from clotting.
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Dr. Richard Lewisohn formulates optimum concetration o sodium citrate to be put in blood and once treated, it can be refrigeratted for a few days
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Francis Peyton Rous an J.R. Turner develop a citrate glucoe solution that allows blood to be stored for a few weeks
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Dr. Oswald Lewisohn stores type O blood with citrate glucose solution and is the first blood depot
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Dr. Serge Yudin is the first to test the efficiency of human blood to a cadavar. Soviets are the first to collect and store blood for transfusions.
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Dr. Charles Drew creates a modern and highly sterile system to process, test, and store plasma for shipment
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Dr. Paul Beeson links jaundice to blood or plasma transfusions. Decriptions of transfuion-transmitted hepatitis.
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Dr. Carl W. Walter develops plastic bag for blood collection
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The first case of GRID syndrome is recorded. Later renamed AIDS
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Dr. Robert Galo identifie the virus that causes AIDS, called HTLV III
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Dozens of Americans are infected with AIDS from blood trnsfusions. The first blood screen test is developed.
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More tests are developed to screen donated blood for genetic material of viruses like HIV and HCV
