- Production by a cell or aggregation of cells (a gland) of a physiologically active substance and its movement out of the cell or organ in which it is formed.
- The solid, liquid, or gaseous product of cellular or glandular activity that is stored in or used by the organism in which it is produced.
[L. secerno, pp. -cretus, to separate]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.