Definition of diakinesis in English:


Line breaks: dia|kin¦esis
Pronunciation: /ˌdʌɪəkʌɪˈniːsɪs

noun (plural diakineses /-siːz/)

[mass noun] Biology
  • The fifth and last stage of the prophase of meiosis, following diplotene, when the separation of homologous chromosomes is complete and crossing over has occurred.
    More example sentences
    • For F59A1.7, affected worms exhibiting a high frequency of achiasmate chromosomes at diakinesis also had abnormally large nuclei at the pachytene stage, earlier in meiotic prophase.
    • In wild-type hermaphrodites, germ cells at the dorsoventral flexure exit the pachytene stage of the first meiotic prophase and proceed to diakinesis.
    • Loose condensation of chromosomes was observed in 12% of the cells from diakinesis to anaphase.


early 20th century: from dia- 'through, across' + Greek kinēsis 'motion'.

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