the.com/vagina

The muscular canal connecting the vulva to the uterus, through which menstrual fluid and babies pass.

means The muscular canal connecting the vulva to the uterus, and clinically, the term also gets stretched (incorrectly, by common usage) to label the entire external female genitalia.

from Borrowed directly from Latin 'vagina,' meaning 'sheath' or 'scabbard' — the case a sword slides into. Anatomists in the 17th century reached for the word because it described a sheath-like structure, calmly repurposing a piece of military kit for anatomy textbooks, with no innuendo intended at the time.

actual meaning
latin for sheath, as in sword holder
common mixup
often means vulva, the visible part outside
self-cleaning
maintains its own pH, douching makes it worse
elastic feat
stretches for childbirth, snaps back after
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