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phytohemagglutinin

(fīt′ō hē′mə glo̵̅o̅t′'n in′)

noun

a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.

Origin: phyto- + hemagglutinin

See phytohemagglutinin in American Heritage Dictionary 4

noun

A hemagglutinin extracted from a plant.

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