nebenkern


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nebenkern

(ˈneɪbənˌkɜːn)
n
(Microbiology) a mitochondrial structure in the sperm of certain insects
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References in periodicals archive ?
ferrugineus, the nuclei of early spermatids were observed to be displaced to the cell periphery, while the nebenkern concentrated at the opposite pole to form 2 clusters.
The distinct stages of coalescence, bipartite mass (nebenkern), onion, loaf, and mitochondrial derivatives will be discussed, as will the placement of the two mitochondrial derivatives in the mature sperm.