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n (pl 复数作 ~s or, in scientific use, 科技用语复数作 -nae / -ni:; -ni/ (anatomy 解) passage (in a female mammal) from the external genital organs to the womb 阴道. =>illus at female 见 female 插图.






The vagina, (from Latin, literally "sheath" or "scabbard" ) is the tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the oviduct. The Latinate plural (rarely used in English) is vaginae.

In common speech, the term "vagina" is often used inaccurately to refer to the vulva or female genitals generally; strictly speaking, the vagina is a specific internal structure and the vulva is the exterior genitalia only.


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