premature mitotic spindle elongation mitotic spindle elongation during anaphase A A cellular process phenotype observed in the vegetative growth phase of the life cycle in which mitotic spindle elongation takes place during anaphase A. Normally, the spindle elongates immediately following assembly during prophase, remains at a static length during metaphase and anaphase A, and elongates further during anaphase B. abnormal mitotic spindle elongation during anaphase A premature mitotic spindle elongation during anaphase spindle elongation during anaphase A during mitotic cell cycle FYPO:0006171 midori mitotic spindle elongation during anaphase A during vegetative growth mitotic spindle extension during anaphase A spindle elongation during mitotic anaphase A 2017-08-07T11:52:20Z