noun. a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape.
- anatomical structure
- complex body part
- body structure
- bodily structure
Example sentences of the word kinetochore
1. Noun, singular or mass
Before long, spindle fibers on each side of the cell have become attached to the kinetochore on the chromatid in each pair that happens to lie on the same side of the cell.
2. Verb, past tense
The microtubule spindle fibers connect to the centromeres at a location called the *kinetochore*.