Term Name:	microtubule nucleation
Synonyms:
Definition:	The process in which tubulin alpha-beta heterodimers begin aggregation to form an oligomeric tubulin structure (a microtubule seed). Microtubule nucleation is the initiating step in the formation of a microtubule in the absence of any existing microtubules ('de novo' microtubule formation).
Ontology:	GO: Biological Process [GO:0007020]    QuickGO    AmiGO