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Circulation of blood to and from the heart
William Harvey described the circulation of blood to and from the heart -
Microscope invented
Anton van Leeuwenhoek invented the microscope in 1666 -
First mercury thermometer
Gabriel Fahrenheit created the first mercury thermometer in 1714 -
Oxygen discovered
Joseph Priestley discovered the element oxygen in 1774 -
Feeding tube introduced
John Hunter introduced tube feeding in 1778 -
Smallpox vaccine developed
Edward Jenner developed the smallpox vaccine! (Derived from the cowpox vaccine) -
First successful blood transfusion
James Blundell performed the first successful blood transfusion on a human in 1818 -
Invention of the stethoscope
Rene Laennec invented the stethoscope in 1819 -
Ether as an anesthetic
Dr. William Morton, American dentist,began using ether as an anesthetic in 1846 -
Choloroform as an anesthetic
Dr. James Simpson began using choloroform as an anesthetic in 1847 -
First female physician
Elizabeth Blackwell became the first female physician in the United States in 1849 -
Patterns of inheritence discovered
Gregory Mendel discovered the patterns of inheritence through the use of the pea plant. -
American Red Cross was founded
Clara Barton founded the American Red Cross -
Discovery of viruses
Demitri Ivanofski discovered viruses in 1892 -
Discovery of the X-Ray
William Roentgen discovered the first X-ray. -
Typhoid fever vaccine
Almroth Wright developed a vaccine for typhoid fever in1897 -
Radium isolated!
Marie Curie first isolated radium in 1910 -
Penicillin was discovered
Sir Alexander Fleming discovered penicillin -
Polio vaccine developed
Jonas Salk developed the vaccine for polio -
Diagnosing inherited diseases before birth
Physicians use amniocentesis to diagnose ingerited diseases before birth in 1957 -
Test tube baby
Louise Brown was the first successfuly born "test tube" baby -
Gene Therapy
The frirst gene therapy to treat disease occurred in 1990 -
Sheep Cloning
Ian Wilmut, Keith Campbell, and collegues cloned the first sheep named Dolly. -
Measles and smallpox distinguished
Rhazes developed the criteria for distinguishing between smallpox and measles in 910 AD
