|
|
The longest a person has survived after a heart transplant is 24 years.
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
![Rule of Nines. A method for determining percentage of body burned. Each different colored section re](https://biology-forums.com/gallery/47/medium_14755_16_09_12_5_59_02_87711823.jpeg)
![Postoperative hyperphagia and obesity in a rat with bilateral VMH lesions. (Based on Teitelbaum, ...](https://biology-forums.com/gallery/30/medium_548020_07_06_17_2_21_50_303922158.jpeg)