labium urethrae 尿道唇...urethrae isthmus 尿道峡...depressor urethrae 尿道压肌(尿道膜部括约肌的一部...ampullae urethrae 尿道壶腹(男)...orificium urethrae externum muliebris 女尿道外口...hemisphaerium bulbi urethrae 尿道球半球...sphincter urethrae 尿道括约肌...sphincter urethrae membranaceae 尿道膜部括约肌...bulbus urethrae 尿道球...orificium urethrae externum virilis 男尿道外口...orificium urethrae internum 尿道内口...musculi sphincter urethrae membranaceae 尿道膜部括约肌...orificium urethrae externum 尿道外口...partes spongiosa urethrae 尿道海绵体部...carunculae urethrae 尿道肉阜...septum bulbi urethrae 心球隔...Borrelia urethrae 尿道包柔氏螺旋体...pars cavernosa urethrae 尿道海绵体部...compressor urethrae 尿道膜部括约肌...fossae navicularis urethrae 尿道舟状窝...fossae terminalis urethrae 尿道舟状窝...
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