- A mitogenic lectin causing lymphocyte transformation accompanied by mitotic proliferation of the resulting blast cells identical to that produced by antigenic stimulation; e.g., phytohemagglutinin, concanavalin A.
* * *phy·to·mi·to·gen (fi″to-miґto-jən) a substance of plant origin that induces mitosis in human cells.
Medical dictionary. 2011.
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concanavalin A — A phytomitogen, extracted from the jack bean (Canavalia ensiformis) that agglutinates the blood of mammals and reacts with glucosans; like other phytohemagglutinins, conA stimulates T lymphocytes more vigorously than it does B lymphocytes. * * *… … Medical dictionary
phytohemagglutinin — A phytomitogen from plants that agglutinates red blood cells. The term is commonly used specifically to refer to the lectin obtained from the red kidney bean (Phaseolus vulgaris), which is also a mitogen that stimulates T lymphocytes more… … Medical dictionary