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The most condensed and constricted region of a chromosome, to which the spindle fiber is attached during mitosis.
cen′tro·mer′ic (-mĕr′ĭk, -mîr′-) adj.
(Genetics) the dense nonstaining region of a chromosome that attaches it to the spindle during mitosis
a structure appearing on the chromosome during mitosis or meiosis, where the chromatids are joined in an X shape.
cen`tro•mer′ic (-ˈmɛr ɪk, -ˈmɪər-) adj.
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|Noun||1.||centromere - 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"|
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
chromosome - a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order; "humans have 22 chromosome pairs plus two sex chromosomes"