Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
The cladistic approach from molecular genetic data
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
Chi-Square Analysis of Mendel's Data
Satellite data on primary productivity in the equatorial Pacific Ocean
Chi-Square Analysis of Mendel’s Trihybrid-Cross Data