| 释义 |
spindle fiber
spindle fibern. One of a network of achromatic filaments that extend inward from the poles of a dividing cell, forming a spindle-shaped figure.spindle fiber
spindle fiber[′spin·dəl ‚fī·bər] (cell and molecular biology) One of the fiberlike elements of the spindle; an aggregation of microtubules resulting from the polymerization of a series of small protein fibrils by primary ‒S‒S‒ linkages. spindle fiber
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 spindlespindle fibern. One of a network of achromatic filaments that extend inward from the poles of a dividing cell, forming a spindle-shaped figure. |