A Narcotic analgesic is a drug used in the treatment of pain that acts on specific receptors within the CNS. Drugs in this classification include codeine (a moderately potent analgesic) and morphine (a potent one).
This article is a stub. You can help Wikipedia by fixing it.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... to push against the upper rim of the groove, while the other end of the axis pushes against the lower rim of the groove. While the axis is slipping around inside th ...