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The difference between veins and arteries is defined; this is important because these two things though similar have different functions.
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The first pharmacy was established in Baghdad. Pharmacies supply medicine and prescriptions from doctors, for the sick and/or injured.
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Rhazes, a Persian physician, was the first to identify smallpox, different from measles, and suggested that blood is the cause of the infectious disease.
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The Cannon of Medicine is an encyclopedia that summarized the medical traits of the Greek, Indian, and Muslim doctors up until that time. This text changed the game for the medical field during that time because there were no other books to read about medicine at that time.
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Alderotti became first physician teacher, an in sharing his knowledge enabled others to help and diagnose those in need.
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Leonardo Da Vinci studied the body and stressed the fact that most of the information would be recovered by observing the body. He created anatomical drawings of the body and sat in on multiple autopsies.
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Girolamo Fracsstoro was the first to realize that plagues and epidemics were not caused by the body. He was the first person to propose the idea that there was i fact an outside source that would cause the epidemics.
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Andreas Vesalius was the first writer and publisher of an Anatomy book. This gives others incite to the body and understanding its form and function.
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Zacharius Jannssen, a Dutch lens grinder, invented the microscope. The microscope is something we still use today, and allows us to see very small things such as organisms and viruses.
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The microscope was refined and fashioned, and nearly 500 models were made. this made it possible to discovers blood cells and observes animal and plant tissues and microorganisms.
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Edward invented a method to protect people from smallpox by exposing them to the cowpox virus (smallpox vaccine).
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René Laënnec invents the stethoscope.
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First vaccine for cholera.
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First vaccine for rabies.
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First vaccine for typhoid fever.
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Sir Frederick Gowland Hopkins suggests the existence of vitamins and concludes they are essential to health. Receives the 1929 Nobel Prize for Physiology or Medicine.
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Edward Mellanby discovers vitamin D and shows that without it, rickets are caused.
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First vaccine for pertussis (whooping cough).
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Penicillin was given to its first patient.
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Antibiotic resistance happens naturally. When an antibiotic is used, bacteria that can resist that antibiotic have a better chance of remaining than the ones that are "susceptible."
