output_of abnormal mitotic spindle abnormal mitotic spindle midzone assembly separate mitotic half spindles present loss of interdigitation between mitotic half spindles separate mitotic half spindles present during vegetative growth separate half spindles present during mitosis separate half spindles present during mitotic cell cycle FYPO:0003305 2014-04-23T11:42:54Z broken spindle midzone spindle fraying broken spindle interzone midori A spindle phenotype in which polar microtubules fail to interdigitate properly, and two partially or completely separated microtubule structures, usually V-shaped, each corresponding to one half of the spindle, are present.