|
|
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
![In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_07_222511109.jpeg)
![Richard Rodriguez represents millions of immigrants—not just those of Latino origin but those from ...](https://biology-forums.com/gallery/47/medium_660365_19_12_16_11_52_44_24346782.png)