单语范例（未经PONS编辑处理）
英语
- The antheridium fertilizes an oogonium, which then develops into a single oospore, which is 20-35 micrometers in diameter.en.wikipedia.org
- It can be an oogonium, an oocyte, or an ootid.en.wikipedia.org
- In others the monoecious condition is complicated by the development of the antheridium before the formation of the oogonium, thus preventing fertilization by antherozoids of the same plant.en.wikipedia.org
- Each oogonium that initiates meiosis divides twice, unequally in each case.en.wikipedia.org
- It is termed an oogonium.en.wikipedia.org
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