nebenkern
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ne·ben·kern

noun \ˈnā-bən-ˌkərn, -ˌkern\

Definition of NEBENKERN

: a 2-stranded helical structure of the proximal tail region of a spermatozoon that is derived from mitochondria

Origin of NEBENKERN

German, literally, subsidiary nucleus
First Known Use: 1895

ne·ben·kern

noun \ˈnā-bən-ˌkərn, -ˌke(ə)rn\   (Medical Dictionary)

Medical Definition of NEBENKERN

: a two-stranded helical structure of the proximal tail region of a spermatozoon that is derived from mitochondria

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