Last Updated:2025/11/20

(anatomy) A small sac within the reproductive tract of some female invertebrates, such as insects, which stores sperm until it is used to fertilize the ova.

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spermatheca

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spermatheca

IPA(Pronunciation)
Noun
Japanese Meaning
一部の雌性無脊椎動物(例:昆虫)の生殖器内に存在し、精子を蓄えておくための小さな嚢、すなわち受精前に精子の保存を行う器官
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解剖の際、昆虫学者は雌の甲虫の貯精嚢を慎重に取り出して、それがどのくらいの間生存可能な精子を貯蔵できるかを調べた。

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