Centromere

n. area of a chromosome (Biology)

The centromere is a region of chromosomes with a special sequence and structure. The centromere plays a role in cellular division and the control of gene expression.
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Noun
1. a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape; "the centromere is difficult to sequence"
(synonym) kinetochore
(hypernym) structure, anatomical structure, complex body part, bodily structure, body structure
(part-holonym) chromosome

adj. centromeric, (Biology) of a centromere, relating to a centromere (area of a chromosome)

n. centromere, area of a chromosome (Biology)

The "waist" of the chromosome essential for the division and the retention of the chromosome in the cell. The centromere is a uniquely specialized region of the chromosome to which spindle fibers attach during cell division.