Source:http://linkedlifedata.com/resource/umls/id/C1156032
GO: The addition of tubulin heterodimers to one or both ends of a microtubule. [GOC:ai],NCI: Microtubule polymerization is a cellular process typically, though not solely, involved in cell motility and cell division. Stabilization of microtubule polymerization causes interruption of mitosis and is the mode of action of several antineoplastic agents.