这个词是什么意思？
Female germ cells derived from OOGONIA and termed OOCYTES when they enter MEIOSIS. The primary oocytes begin meiosis but are arrested at the diplotene state until OVULATION at PUBERTY to give rise to haploid secondary oocytes or ova (OVUM).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009865 · MeSH 2026。
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