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phytochemistry
phytochrome
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physostigmine

phy·so·stig·mine [ fssō stíg mn ] or phy·so·stig·min [ fssō stígmin ]


noun 
Definition:
 
drug derived from Calabar bean: a crystalline alkaloid. Source: dried leaves of the vine that produces Calabar beans. Use: treatment of glaucoma, to counteract adverse effects of anticholinergic drugs on the central nervous system. C15H12N3O2
Former name  eserine


[Mid-19th century. < modern Latin Physostigma< Greek phusa "bladder" + stigma "mark on the skin"]
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