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来自维基百科,自由的百科全书
交尾刺(copulatory spicule)是雄性線蟲的交配器官之一。[1]
雄性線蟲擁有一至二個交尾刺,能夠打開雌性線蟲的陰戶,協助雄蟲的授精,而非直接利用交尾刺授精。[2][3] 在授精過程中,雄性線蟲會依賴另一個稱作引帶的性器官來引導交尾刺。
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