Pronunciation: se-ne'se-o, -she-o
- A large genus of plants (family Compositae), many species of which contain alkaloids that produce hepatic necrosis.
- A common weed of the eastern U.S., formerly used in the treatment of amenorrhea and other menstrual irregularities.
[L. a plant, groundsel, fr. senecio, an old man]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.