Source:http://linkedlifedata.com/resource/umls/id/C1326220
GO: Synergid cells undergo degeneration and death in response to penetration by the pollen tube. It is an active process that involves a dramatic decrease in cell volume, collapse of the vacuoles, and complete disintegration of the plasma membrane and most organelles. [GOC:isa_complete, GOC:sm, PMID:12215516]