Reference Terms
from Wikipedia, the free encyclopedia


An alkaloid is a nitrogenous organic molecule that has a pharmacological effect on humans and animals.

The name derives from the word alkaline; originally, the term was used to describe any nitrogen-containing base (an amine in modern terms).

Note:   The above text is excerpted from the Wikipedia article "Alkaloid", which has been released under the GNU Free Documentation License.
Related Stories

Share This Page:

Science News
February 8, 2016

Latest Headlines
updated 12:56 pm ET