metacentric(redirected from metacentricity)
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having the centromere almost at the middle of the replicating chromosome.
Having the centromere about equidistant from the extremities, said of a chromosome.
[meta- + G. kentron, circle]
metacentric/meta·cen·tric/ (-sen´trik) having the centromere near the middle, so that the arms of the replicating chromosome are approximately equal in length.
1. Of or relating to a metacenter.
2. Genetics Having the centromere in the median position so that the arms are of equal length. Used of a chromosome.
A metacentric chromosome.
met′a·cen·tric′i·ty (-sĕn-trĭs′ĭ-tē) n.
Etymology: Gk, meta + kentron, center
(1) Referring to a centromere located at a chromosome’s midpoint.
(2) Referring to a chromosome with arms of equal length—i.e., equidistant from a chromosome’s centromere.
metacentricOf a chromosome in which the CENTROMERE is at or near the centre.
a replicating chromosome with the centromere midway between the ends.