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单词 nebenkern
释义

nebenkern

noun

ne·​ben·​kern ˈnā-bən-ˌkərn How to pronounce nebenkern (audio) -ˌkern How to pronounce nebenkern (audio)
: a two-stranded helical structure of the proximal tail region of a spermatozoon that is derived from mitochondria

Word History

Etymology

German, literally, subsidiary nucleus

First Known Use

1895, in the meaning defined above

Medical Definition

nebenkern

noun

ne·​ben·​kern ˈnā-bən-ˌkərn How to pronounce nebenkern (audio) -ˌke(ə)rn How to pronounce nebenkern (audio)
: a two-stranded helical structure of the proximal tail region of a spermatozoon that is derived from mitochondria
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更新时间:2024/9/22 5:23:16