meiotic reactivation
[meɪˈɒtɪk riːˌæktɪˈveɪʃən]
nounpl: meiotic reactivations
reativação meiótica
1. The resumption or reinitialization of meiotic division in oocytes or germ cells that have been arrested in a dormant state, typically occurring in response to hormonal signals or external stimuli
Meiotic reactivation in oocytes is triggered by the luteinizing hormone surge, allowing the completion of meiosis I.
A reativação meiótica em ovócitos é desencadeada pelo pico do hormônio luteinizante, permitindo a conclusão da meiose I.
2. The process by which germ cells exit from meiotic arrest (G2/M phase) and resume progression through meiotic divisions
Meiotic reactivation requires the degradation of specific inhibitory proteins that maintain arrest.
A reativação meiótica requer a degradação de proteínas inibitórias específicas que mantêm a parada.
This is a specialized scientific term used predominantly in academic and medical research contexts in both Brazil and Portugal. It is particularly relevant in reproductive medicine, developmental biology, and fertility research. The term maintains the same meaning across English and Portuguese-speaking scientific communities, reflecting the international nature of biological nomenclature.
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