1) Anatomical structure 2) Bodily structure 3) Body structure 4) Complex body part 5) Having no center 6) Lacking a centromere 7) Lacking a middle 8) Not centered 9) Not in the middle 10) Structure 
• (a.) Not centered; without a center.
<cell biology> This term refers to a chromosome or chromatid that lacks a centromere. ... This condition can result during crossing over in which the normal, centromere-containing segement is replaced by an inverted segment that lacks a centromere. ... (12 Mar 1998) ... 
Descriptive of pieces of chromosome that lack a centromere.
A·cen'tric adjective [ Greek 
Type: Term Pronunciation: ā-sen′trik Definitions: 1. Lacking a center; in cytogenetics, denoting a chromosome fragment without a centromere.
[adj] - lacking a centromere 2. [adj] - not centered or having no center
adjective not centered or having no center
not centered; having no center. · of or pertaining to a chromosome or chromatid that lacks a centromere. Cf. acrocentric, metacentric, telocentric.