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1、男性生殖系统Malegenitalsystem兰州大学基础医学院人体解剖学教研室January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG生殖系统包括男性生殖系统和女性生殖系统。两者均由内生殖器和外生殖器两部分构成。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversi
2、ty.AllrightreservedbyYPHOUandYFSONG男性内生殖器：生殖腺：睾丸输精管道：附睾、输精管、射精管和尿道附属腺：精囊腺、前列腺、尿道球腺男性外生殖器：阴囊、阴茎男性生殖系统January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG男性生殖系统全貌January,2007Copyright©Depart.Anatomy,Sch
3、oolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG第一节男性内生殖器睾丸（testis）：为男性生殖腺，位于阴囊内，左、右各一，一般左侧略低于右侧。。生殖系统生殖系统生殖系统生殖系统一、睾丸睾丸的形态January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG睾丸内部结构模式图
4、睾丸的结构January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG二、附睾附睾（epididymis）：呈新月形，紧贴睾丸的上端和后缘而略偏外侧。上端膨大为附睾头；中部为附睾体；下端为附睾尾。。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.Allrigh
5、treservedbyYPHOUandYFSONG右睾丸、附睾及被膜January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG输精管（ductusdeferens）是附睾管的直接延续，长约50cm，管径约3mm。管壁较厚，管腔较小。活体触摸时,呈坚硬圆索状。输精管依其行程可分为四部：睾丸部精索部腹股沟管部盆部三、输精管和射精管January,2007C
6、opyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG输精管膀胱、前列腺、精囊和尿道球腺后面观January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG精索（spermaticcord）为柔软的圆索状结构。精索内主要有输精管、
7、睾丸血管、输精管血管、神经、淋巴管和腹膜鞘突的残余。其表面有三层被膜，从内向外依次为：精索内筋膜、提睾肌和精索外筋膜。精索January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG睾丸和精索被膜January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.Allright
8、reservedbyYPHOUandYFSONG射精管射精管（ejaculatoryduct）由输精管的末端与精囊腺的排泄管汇合而成，长约2cm,开口于尿道的前列腺部。January,2007Copyright©Depart.Anatomy,SchoolofMedicine,LanzhouUniversity.AllrightreservedbyYPHOUandYFSONG输精管、射精管及开口January,2007Copyright©Depart.Anatomy,S
