phytohemagglutinin Hear it!

phytohemagglutinin Definition

phyto·he·mag·glu·ti·nin (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.

Etymology: phyto- + hemagglutinin