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来自维基百科,自由的百科全书
交尾刺(copulatory spicule)是雄性线虫的交配器官之一。[1]
雄性线虫拥有一至二个交尾刺,能够打开雌性线虫的阴户,协助雄虫的授精,而非直接利用交尾刺授精。[2][3] 在授精过程中,雄性线虫会依赖另一个称作引带的性器官来引导交尾刺。
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