spindle fiber


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mi·tot·ic spin·dle

the fusiform figure characteristic of a dividing cell; it consists of microtubules (s. fibers), some of which become attached to each chromosome at its centromere and are involved in chromosomal movement; other microtubules (continuous fibers) pass from pole to pole.
Synonym(s): nuclear spindle

spindle fiber

n.
One of a network of achromatic filaments that extend inward from the poles of a dividing cell, forming a spindle-shaped figure.
References in periodicals archive ?
Daughter cells may be deformed because I think the spindle fibers help the cell keep its shape.
Consequently, non-disjunction of chromosome and chromosome abnormality were caused by spindle fiber damage during the matured oocyte cryopreservation.
gamma]-tubulin is clearly associated with the shorted spindle fibers in the polar regions (Fig.
Asters disappear as a tetrapolar spindle is assembled; microtubules emanating from the four poles are organized into spindle fibers at the surface of the tetrahedral nucleus (Fig.
if all chromosomes are attached to spindle fibers, then mitosis can proceed).
If all kinetochores are not attached to spindle fibers, then what would be observed in the cell?