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肛门 | |||
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肛门 (肛管的向下开口,为一前后纵行的裂孔,前后径约2〜3cm。肛门周围皮肤富有色素,呈暗褐色,并有汗腺和丰富的皮脂腺。成年男子肛门周围长有肛毛。由于肛门内括约肌的紧缩,肛门周围形成许多放射状皱褶) | |||
肛门 | |||
English thesaurus | |||
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Another Nonsensical Usage of Spinach; American Nihilist Underground Society | |||
American Nihilistic Underground Society | |||
A New Underground Sound | |||
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freckle |
anuses : 17 phrases in 7 subjects |
Dermatology | 1 |
General | 1 |
Nursing | 4 |
Plastic surgery | 1 |
Reproductive biology | 4 |
Sports | 1 |
Surgery | 5 |