Cytokinin

Cytokinins (CK) are a class of plant growth substances (phytohormones) that promote cell division, or cytokinesis, in plant roots and shoots. They are involved primarily in cell growth and differentiation, but also affect apical dominance, axillary bud growth, and leaf senescence. Folke Skoog discovered their effects using coconut milk in the 1940...
Found on http://en.wikipedia.org/wiki/Cytokinin

cytokinin

<protein> Class of plant growth substances (plant hormones) active in promoting cell division. Also involved in cell growth and differentiation and in other physiological processes. ... Examples: kinetin, zeatin, benzyl adenine. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

cytokinin

A plant growth regulator that stimulates cell division.
Found on http://assoc.garden.org/courseweb/course1/glossary.htm

cytokinin

any of a number of plant growth substances that are usually derived from adenine. Synthesized in roots, cytokinins move upward in the xylem (woody ... [4 related articles]
Found on http://www.britannica.com/eb/a-z/c/176
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