释义 |
DictionarySeespindlenuclear spindle
mi·tot·ic spin·dlethe 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 spindlemi·tot·ic spin·dle (mī-tot'ik spin'dĕl) The fusiform figure characteristic of a dividing cell; it consists of microtubules (spindle fibers), some of which become attached to each chromosome at its centromere and appear to be involved in chromosomal movement; other microtubules (continuous fibers) pass from pole to pole. Synonym(s): nuclear spindle. nuclear spindle a system of microtubules that forms a network on which chromosome separation occurs during MITOSIS and MEIOSIS. |