Primary oocyte
primary oocyte
- 一次卵母細胞（日本語）
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Definition
Glossary of "Life (9th ed.)" by Sadava et al. (2011)
- The diploid progeny of an oogonium. In many species, a primary oocyte enters prophase of the first meiotic division, then remains in developmental arrest for a long time before resuming meiosis to form a secondary oocyte and a polar body.