射精管 ejaculatory duct
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在输精管即将终止于雄性生殖口，其管壁肌肉发达的部分为射精管。把与射精管相连的输精管膨大部（精囊seminal vesicle）贮存的精子射入雌性生殖孔内。（1）见于无脊椎动物的吸虫类、蛭类等。线虫类雌性输卵管末端的类似的结构，称为射卵管（o-vijector）。（2）在哺乳类雄性动物从精囊开口部到尿道这一段输精管的末端部为射精管。
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