cellular component organization
   |__organelle organization
       |__nucleus organization  106 rec.
           |__female pronucleus assembly 2 rec.
           |__karyogamy 9 rec.
           |   |__karyogamy involved in conjugation with cellular fusion
           |   |__karyogamy involved in conjugation with mutual genetic exchange
           |   |__polar nucleus fusion
           |   |__pronuclear fusion 9 rec.
           |__macronucleus organization
           |__male pronucleus assembly 12 rec.
           |__micronucleus organization
           |__nuclear body organization 11 rec.
           |   |__Cajal body organization 6 rec.
           |   |__histone locus body assembly 3 rec.
           |   |__Lands organization
           |   |__nuclear dicing body assembly
           |   |__nuclear speck organization 2 rec.
           |   |__PML body organization
           |__nuclear matrix organization
           |   |__nuclear matrix anchoring at nuclear membrane
           |__nuclear pore localization 3 rec.
           |__nuclear pore organization 12 rec.
           |   |__mitotic nuclear pore complex disassembly
           |   |__nuclear pore complex assembly(+) 4 rec.
           |__nucleolus organization 7 rec.
           |   |__nucleologenesis 1 rec.
           |__nucleus disassembly
           |__spermatid nucleus differentiation 27 rec.
           |__spermatid nucleus elongation 4 rec.