A subfield of pharmacology which studies natural drugs, including the study of their biological and chemical components, botanical sources, and other characteristics (economic, biochemical, biological, etc.).

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

Phar`ma*cog"no*sy (?), n.


<-- now also used to designate the study of the distribution of and methods for finding medically useful agents in natural sources, primarily plants. -->


© Webster 1913.

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