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单词 pronucleus
释义

pronucleus

noun

pro·​nu·​cle·​us (ˌ)prō-ˈnü-klē-əs How to pronounce pronucleus (audio)
-ˈnyü-
: the haploid nucleus of a male or female gamete (such as an egg or sperm) up to the time of fusion with that of another gamete in fertilization

Example Sentences

Recent Examples on the Web Pronuclear transfer is the easier and cheaper method since the pronucleus is larger and easier to image and transfer than the spindle. Radhika Viswanathan, Vox, 24 July 2018

Word History

Etymology

New Latin

First Known Use

1876, in the meaning defined above

Medical Definition

pronucleus

noun

pro·​nu·​cle·​us (ˈ)prō-ˈn(y)ü-klē-əs How to pronounce pronucleus (audio)
plural pronuclei -klē-ˌī How to pronounce pronucleus (audio) also pronucleuses
: the haploid nucleus of a male or female gamete (as an egg or sperm) up to the time of fusion with that of another gamete in fertilization see female pronucleus, male pronucleus
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更新时间:2025/1/9 17:23:50