1) Anatomical structure 2) Bodily structure 3) Body structure 4) Complex body part 5) Structure 
<cell biology> A chromosome or chromatids with a non-centrally-located centromere, producing chromosome arms with unequal lengths. ... (13 Nov 1997) ... 
(ak″ro-sen´trik) having the centromere toward one end of the replicating chromosome.
See metacentric.
Type: Term Pronunciation: ak′rō-sen′trik Definitions: 1. Having the centromere close to one end; said of normal chromosomes 13-15 and 21-22.
[adj] - having a subterminal centromere
acrocentric A type of chromosome having the centromere near one end of the replicating chromosome, so that one arm is much longer than the other.
adjective having a subterminal centromere; `an acrocentric chromosome`
of or pertaining to any chromosome or chromatid whose centromere is closer to one end than to the other, creating two unequal chromosome arms. Cf. acentric (def. 2),(def. 2),