« previous next »
« previous next »
 

Did you know?

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).

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ... The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ...
Using the fingertips of one hand, make contact with an area on the back with high fascial ... Using the fingertips of one hand, make contact with an area on the back with high fascial ...
Data for Calculating Productivity Growth in Erewhon Data for Calculating Productivity Growth in Erewhon
GDP and Capital per Worker, 2009 GDP and Capital per Worker, 2009
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ... A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction ...
Video: Attention Deficit Disorder (ADD)

For a complete list of videos, visit our video library