|
|
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
![Mead analyzed taking the role of the other as an essential part of learning to be a full-fledged ...](https://biology-forums.com/gallery/47/medium_660365_19_12_16_11_52_42_243341776.png)
![Adding propane to the air inlet of an engine operating in closed loop with a working oxygen sensor ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_10_29_37_29953291.png)