ˌendəˈmiksə̇s noun
( -es )
Etymology: New Latin, from end- + -mixis
: a periodic nuclear reorganization in certain ciliated protozoans marked by degeneration of the macronucleus and its replacement by a product of micronuclear origin ; broadly : any of several nuclear reorganization activities (as autogamy or hemixis) in ciliates that are distinct from conjugation