A
poisonous chemical found in the
roots and
rhizomes (underground
stem other than roots) of certain
hellebore plants. It is a yellow crystalline solid with the chemical formula
C37H56O18 and is used in small doses as a
heart stimulant.
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.