Centriole |
absent |
0 |
|
Basic organization of the spindle pole |
bar |
5 |
|
Spindle pole body form, interphase-prophase |
bar |
e |
|
Spindle pole body form, metaphase-anaphase |
bar and spindle microtubules often terminating within nucleus some distance from nuclear envelope |
h |
|
Spindle development site |
intranuclear (nuclear envelope intact) |
2 |
|
Spindle pole body migration (per Heath, 1980, Int. Rev. Cytol. 64:1) |
migration during spindle formation |
1 |
|
Metaphase nuclear envelope |
intact |
0 |
|
Telophase nuclear envelope |
retention of complete nuclear envelope around the chromatin with median constriction/fragmentation |
0 |
|
Perinuclear endoplasmic reticulum |
absent |
0 |
|
Spindle vesicles |
absent |
0 |
|
Central spindle |
absent |
0 |
|
Metaphase plate |
absent |
0 |
|
Spindle pole body cap |
absent |
0 |
|
Interphase chromatin condensation |
present |
1 |
|
Nucleolus behavior |
nucleolus is persistent throughout division |
3 |
|
Transient intranuclear element at late interphase-prophase |
absent |
0 |
|