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Meaning of COLCHICINE

Webster's 1913 Dictionary
 
 Definition: 
\Col"chi*cine\ (? or ?), n. [Cf. F. colchicine.]
(Chem.)
A powerful vegetable alkaloid, {C17H19NO5}, extracted from
the {Colchicum autumnale}, or meadow saffron, as a white or
yellowish amorphous powder, with a harsh, bitter taste; --
called also {colchicia}.
 
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Biology Dictionary
 
 Definition: A toxic alkaloid extract of the autumn crocus (Colchicum autumnale) that is used in chemotherapy (especially to treat Hodgkin's disease) because it blocks mitosis in metaphase by blocking microtubule synthesis. It is also used to treat gout.
 

 

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