mitotic spindle collapse during anaphase B elongation with progressive spindle pole congression
A cell phenotype in which a mitotic spindle assembles and begins to elongate, but collapses during anaphase B, with the collapse being followed by the spindle poles congressing together. In some cases, this is known to be driven by depolymerisation of microtubules part of a merotelic attachment (PMID:19948483).
FYPO:0005722
mitotic spindle collapse during anaphase B elongation
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FYPO:0004381
merotelic kinetochore attachment during mitosis
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