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體內受精
释义
體內受精
tǐ nèi shòu jīng
雄性动物的精子借由交配而直接送至雌性生殖器官中,与卵结合的受精方式,称为「体内受精」。主要发生于陆生动物,如昆虫、爬虫类、鸟类、哺乳动物等。
体内受精
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更新时间:2024/12/23 23:14:45