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单词 perineum
释义 per·i·ne·um
noun
also per·i·nae·um \ˌperəˈnēəm\
(plural peri·nea \-ēə\)
Etymology: New Latin, from Late Latin perinaion, perineon, from Greek perinaion, perineos, from peri- + -inaion, -ineos (from inan, inein to empty out, defecate) — more at ire
: an area of tissue marking externally the approximate boundary of the outlet of the pelvis and as usually demarked giving passage to the urinogenital ducts and the rectum; sometimes : the area between the anus and the posterior part of the external genitalia especially in the female
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更新时间:2025/3/10 9:26:54