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200
CE Claudius Galenus
Galen becomes one of the most important physicians in history. He proves that arteries do contain blood and also suggests that blood forms in the liver and travels through the veins. -
300
BCE First Human Disections
Herophilus of Chalcedon was the first Greek anatomist to publicly disect a human cadaver in Egypt. He also stated that arteries are thicker than viens and carry blood. -
350
BCE Central Organ
Greek philosopher, Aristotle believes that the heart is the central organ of the body. He performs disections on different animals to find out the structure of the heart and finds out that it is a three-chambered organ. -
450
BCE Organ of Sence
A Greek philosopher named Empedocles states that the organ of sence is the heart. He also states that all matter is composed of the four elements- earth, fire, air and water. -
Jan 1, 1553
Micheal Servetus
Spanish physician Micheal Servetes states that blood flows from one side of the heart to the other via the lungs instead of through the wall between the ventricles. This observation disagrees with Galen so Micheal is burned to death for denying the trinity. -
William Harvey
William Harvey, a british physician, explains that blood circulates throughout the body and is pumped by the heart. Harvey found this out with years and years of disecting on animals. -
Observing Red Blood cells
Jan Swammerdam is believed to be the first person to ever observe and describe red blood cells. He was Dutch and only 21 years old when he did this. -
Blood Transfusion
Richard Lower is the first person to do a blood transfusion on animals. He used hand made tools and connected one dog to the other and transfered their blood. -
Human Blood Transfusion
A physician named Jean-Baptiste Denis takes a teenage boy and transfers lamb blood into him and he recovers nicely. On the same year Richard Lower transfers sheep blood into one of his sick patients and the patient also recovers nicely. -
Red Blood Cells
Anton van Leeuwenhoek, a microscopist, provides a more precise description of red blood cells. He states that red blood cells are 25,000 times smaller than a grain of sand. -
Human to Human Transfusion
Philip Synge is credited in a footnote for doing the first ever human to human blood transfusion but isnt publicly published. -
First Record
In december, James Blundwell performs the first ever recorded human-to-human blood transfusion. Only problem is his patient dies after the procedure. -
Platelets
Sir William Osler calls the small fragments of blood marrow that make the blood clots platelets. -
Blood Type Discovery
Karl Landsteiner publishes a paper that states the three major human blood groups which include, blood type A, B, and C. -
Blood Type AB
Dr. Landsteiner's colleagues Alfred von Decastello and Adriano Sturli identify a fourth blood group, AB that causes agglutination in the red cells of both groups "A" and "B." -
Cross Matching
Dr. Ludvig Hektoen states that it might be wrong to not check the blood donors blood to see if it will not work. The same year Dr. Reuben Ottenberg performs the first transfusion using cross matching and is successfull. -
Sodium Cirate
Both researchers Albert Hustin of Brussels and Luis Agote of Buenos Aires discover that adding sodium citrate to blood will prevent it from clotting. -
Storing Donor's Blood
Dr. Richard Weil determines that citrated blood can be refrigerated and stored for a few days and then successfully transfused. -
More Blood Storing
At the Rockefeller Institute in New York, Francis Peyton Rous and J.R. Turner develop a citrate-glucose solution that allows blood to be stored for a few weeks after collection and still remain viable for transfusion. -
First Blood Depot
Dr. Oswald Robertson in his days of the army, knowing about all the discoveries that were being made, creates the very first Blood Depot. -
Blood Donor Log
Percy Lane Oliver creates the first log of volunteers of poeple who could be ready to donate blood whenever there is need of it. They are tested for diseases and bloof type. -
Cadaver Blood
Dr. Surge Yudin successfully resuscitates a young man who's slashed both his wrists attempting suicide. He injests blood from a cadaver into the mans body and makes him better. -
Blood Transfusion Service
Physician Federico Duran-Jorda establishes the Barcelona Blood-Transfusion Service. The service collects blood, tests it, pools it by blood group, preserves and stores it in bottles under refrigeration -
Blood Bank
Dr. Bernard Fantus chooses the term "blood bank" for the blood donation, collection, and preservation facility he starts as Director of Therapeutics. -
Civilian Blood Donor Service
The American Red Cross agrees to open up a civilian blood donor service to collect blood plasma for the world war. The first center opens in New York and the collects over 13 million units of blood over the course of the war. -
Jaundice
Dr. Paul Beeson links the occurrence of jaundice in seven cases to blood or plasma transfusions the patients receive a few months prior, providing the quintessential description of tranfusion-transmitted hepatitis. -
American association of Blood Banks
Directors of community blood banks join together to form a national network of blood banks called the American Association of Blood Banks. Their first meeting is held in Dallas in November. -
Plastic Bags for Storing
Dr. Carl W. Walter develops a plastic bag for the collection of blood instead of using glass bottles to store blood. He uses a stronger and more portable container using plastic, which totally changes blood collection. -
Hemoglobin
Dr. Max Perutz working at Cambridge University, England, is able to unravel the structure of hemoglobin, the protein within red blood cells that carries oxygen with the use of X-ray crystallography. -
Cryoprecipitates
Cryoprecipitates are found to have much greater clotting power than plasma and given to hemophiliacs to stop bleeding episodes. It prevents the need for hemophiliacs to travel to the hospital to be treated. -
Hepatitis B
Dr. Baruch Blumberg of the National Institutes of Health identifies a substance called hepatitis B that triggers the production of antibodies. His work leads to the development of a test to detect the presence of hepatitis B antibodies -
AIDS
The first case of the diesease AIDS is recorded. It is known that it is found mostly in gay men. -
LAV
Researchers at Dr. Luc Montagnier's lab at the Institut Pasteur, in France, isolate the virus that causes AIDS. They locate it in the swollen lymph node in the neck of a Parisian AIDS patient and label it LAV. -
HTLV
Dr. Robert Gallo of the NIH states that he's identified the virus that causes AIDS, which he calls HTLV. -
Blood-Screening Test
After a bunch of Americans are infected with AIDS from blood transfusions, the first blood-screening test is performed and is licensed by the U.S. government on March 2.
