long mitotic spindle microtubules protruding beyond spindle pole body short-lived long mitotic spindle microtubules protruding beyond spindle pole body 2022-05-16T14:40:40Z vw253 PomBase:mlr A physical cellular phenotype observed in the vegetative growth phase of the life cycle in which cells form mitotic spindle microtubules that are longer than normal, extend beyond the spindle pole body and are present transiently. The protruding spindle microtubules are surrounded by an extension of the nuclear envelope. PMID:26031557 FYPO:0007969