Term Name:	polar nucleus fusion
Synonyms:
Definition:	The merging of the polar nuclei, the two nuclei contained within the same cell that are created from the mitotic division of the megaspore during angiosperm reproduction. Polar nuclear fusion takes place in the ovule, forming in the fusion nucleus and giving rise to the endosperm when fertilized.
Ontology:	GO: Biological Process [GO:0010197]    QuickGO    AmiGO