Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
Did you know?
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
Active and passive immunity
Purse cover, from the Sutton Hoo burial ship.
Active Compared with Passive Voice
Listening to the fetal heartbeat with a Doppler device.
Mechanisms of Active and Passive Immunity
The lower intake manifold attaches to the cylinder heads.