Mating plug

（重定向自Sphragis）

A mating plug, also known as a copulation plug, sperm plug, vaginal plug, sement or sphragis, is gelatinous secretion used in the mating of some species. It is deposited by a male into a female genital tract, such as the vagina, and later hardens into a plug or glues the tract together. While females can expel the plugs, the male’s sperm still gets a time advantage in getting to the egg, which is often the deciding factor in fertilization.

单词	sphragis
释义	sphragis 英汉-汉英词典 n. 封瓣词组 \| 习惯用语您要查找的是不是： spherical adj. 球的；球面的；球状的 dishrag n. 抹布；洗碟用布 disparaging adj. 轻蔑的;毁谤的 spherics n. 球面几何学；球面三角学；天电学；天电测定网络短语: sphragis 碧石; 封瓣; 英语百科 Mating plug （重定向自Sphragis） A mating plug, also known as a copulation plug, sperm plug, vaginal plug, sement or sphragis, is gelatinous secretion used in the mating of some species. It is deposited by a male into a female genital tract, such as the vagina, and later hardens into a plug or glues the tract together. While females can expel the plugs, the male’s sperm still gets a time advantage in getting to the egg, which is often the deciding factor in fertilization.
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sphragis

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网络短语:

Mating plug